Question

7. Solve the formula M=2P+3Q for the variable Q.

Answer 1

The answer is Q=(M−2P)/3

M = 2P + 3Q

Subtract 2P from both sides:
M - 2P = 2P + 3Q - 2P
M - 2P = 3Q

Divide both sides by 3:
(M - 2P)/3 = 3Q/3
(M - 2P)/3 = Q