Question

Solve. 3(4 - x) = 12 - 3x

Answer 1

The answer is B, all real number

Answer 2

How to get answer/Answer by mimiwhatsup:

$12-3x=12-3x\\\mathrm{Subtract\:}12\mathrm{\:from\:both\:sides}\\12-3x-12=12-3x-12\\Simplify\\-3x=-3x\\\mathrm{Add\:}3x\mathrm{\:to\:both\:sides}\\-3x+3x=-3x+3x\\Simplify\\Both\:sides\:are\:equal$

Answer: B) all real numbers