Question

Algebraic Proof
Given: 3w + 4w - 2 = 12
Prove: w = 2

Answer 1

Explanation:

Replace W with 2

(3 x 2) + (4 x 2) -2 = 12

6 + 8 -2 = 12

add 6 + 8 = 14

14 - 2 = 12

Subract 14 - 2 = 12

which your answer in the end would be 12 = 12

which proves W is 2