Equations with Decimals - Examples & Practice
Read this topicExplanations 3
- Solving equations with decimals isn't much more complicated than solving equations with whole numbers—decimals can just be finicky. You can use any of the methods from the secti…
By Alex Federspiel, Zora Gilbert, Jonathan Heller, Anusha Rahman
- Equations with decimals are like the calmer, less annoying little cousin of equations with fractions. They're still something you've got to watch out for, but they're also likel…
By Hannah Bonville, Zora Gilbert, Liza Sulkin, Alex Federspiel, Amy Feraco, Jonathan Heller, Anusha Rahman
- (Video) Solving Decimal Equations by mathman1024 Here's a video by mathman1024 showing you how to solve equations and expressions with decimals. There is a video with more examp…
By Alex Federspiel, Amy Feraco, Jonathan Heller, Anusha Rahman
Problems 22
- Solve for xxx. x3.2 +8.37=9.28\frac{x}{3.2}\ +8.37=9.283.2x +8.37=9.28 Round answer to nearest hundredth.
- Solve for xxx. −0.3(2.47−x)=8.38-0.3(2.47-x)=8.38−0.3(2.47−x)=8.38 Round answer to nearest hundredth.
- Solve for xxx. −4.54=3.68x+1.59-4.54=3.68x+1.59−4.54=3.68x+1.59 Round your answer to nearest hundredth.
- Solve for xxx. 3.94x+7.843.4 =2.68\frac{3.94x+7.84}{3.4}\ =2.683.43.94x+7.84 =2.68 Round your answer to nearest hundredth.
- Solve for zzz. 1.49(1.6z+0.74)=30.371.49(1.6z+0.74)=30.371.49(1.6z+0.74)=30.37 Round answer to nearest hundredth.
- Solve for xxx. −(1.49x+0.04)=1.01x3.23-(1.49x+0.04)=\frac{1.01x}{3.23}−(1.49x+0.04)=3.231.01x Round to the nearest hundredth.
- Solve for xxx in the following equation. 2.75x+34.25=42.5+1.75x2.75x+34.25=42.5+1.75x2.75x+34.25=42.5+1.75x
- 0.2x+0.4y+1.2=−0.1x+0.3x−0.4y+10.2x + 0.4y +1.2 = -0.1x + 0.3x -0.4y +10.2x+0.4y+1.2=−0.1x+0.3x−0.4y+1 Simplify the equation.
- 1.23x+42.22x=45\frac{1.23x+4}{2.22x}=\frac{4}{5}2.22x1.23x+4=54 Solve for xxx.
- 5.47x+2.2x4.1=−6.82x5.47x +\frac{2.2x}{4.1} = -6.82x5.47x+4.12.2x=−6.82x Solve for xxx.
- Solve for yyy. (1)x=2.5y(1)\quad x=2.5y(1)x=2.5y (2)7.34=1.23x+4.27(2)\quad 7.34=1.23x+4.27(2)7.34=1.23x+4.27 Hint: Write equation (2)(2)(2) in terms of yyy, or solve for xxx th…
- Solve for xxx. 10.34x=−2.2\frac{10.34}{x} = -2.2x10.34=−2.2
- Solve for yyy. −12.39y=−2.35−3.12y-12.39y=-2.35-3.12y−12.39y=−2.35−3.12y
- Solve for xxx. 6.3x−9.33=x2.56.3x-9.33=\frac{x}{2.5}6.3x−9.33=2.5x
- Solve for xxx. 3.1x+7.32x=1.24x+20.13.1x+7.32x=1.24x+20.13.1x+7.32x=1.24x+20.1
- Solve for yyy. −7.14y=1.2y−8.83-7.14y=1.2y -8.83−7.14y=1.2y−8.83
- Solve for xxx. 8.2x÷2.3=4.68.2x\div2.3=4.68.2x÷2.3=4.6
- The relationship between Celsius and Fahrenheit: Tc=TF−321.8T_c=\frac{T_F-32}{1.8}Tc=1.8TF−32 At what temperature is Celsius and Fahrenheit the same?
- How many points would you need to get for the last exam in order to get 95% in this class?
- The coffee shop Charlotte works at pays her 8.75\8.758.75 each hour she works. She wants to go on a trip and the budget comes out to be about 945\945945. \\ She currently has 31…
- Solve for xxx. 6x+22.410=2.6\frac{6x+22.4}{10} =2.6106x+22.4=2.6 Round your answer to the nearest hundredth.
- Solve for xxx. x30.9 +12=1.87\frac{x}{30.9}\ +12=1.8730.9x +12=1.87 Round your answer to the nearest hundredth.