math
posted by rosalind on .
How do I solve this problem?
7(q + 2) + 3(2q 1) = 2

get rid of the parentheses:
7q + 14 + 6q  3 = 2
Collect all the q's on the left, and all the numbers on the right:
13q = 13
divide by 13
q = 1
Check your answer
7(1+2) + 3(2(1)1) = 7*1 + 3(3) = 7  9 = 2