Question

Solve for a.

Answer 1

http://media01.owotw.com/g_alg01_2011/10/32b.gif

Answer 2

36

Answer 3

7a/12 = 21

Answer 4

\[\frac{a}{4}+\frac{a}{3}= 21\]\[\frac{a}{4}+\frac{a}{3}-21\text{= }0\]Combine fractions.\[\frac{7}{12} (-36+a)\text{ = }0\]\[a = 36 \]