Practice problem
Which of the following equations, when manipulated, is equivalent to x+3.1=9.2x+3.1=9.2x+3.1=9.2?
x+3=9x+3=9x+3=9
x+1.8=7.5x+1.8=7.5x+1.8=7.5
x+2=8x+2=8x+2=8
x+2.4=8.5x+2.4=8.5x+2.4=8.5
Type a concept, like “slope” or “photosynthesis”.