Answer:
Step-by-step 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
A caucluation he can use is adding, just add 7422 and 5570 and you should get your answer.
