Practice problem
Solve equation (A) and plug the result into expression (B). 2x+44=3(A)5x+46(B)\begin{array}{lc} \frac{2x+4}{4}=3&\quad\small{(A)}\\ \frac{5x+4}{6}&\quad\small{(B)} \end{array}42x+4=365x+4(A)(B)
32\frac{3}{2}23
−1-1−1
444
194\frac{19}{4}419
Type a concept, like “slope” or “photosynthesis”.