Question

3x + 15 = 4x + 12

25 POINTS, AND BRAINLIEST IF YOU'RE CORRECT!

Please help, I need a step-by-step solution. I don't understand how to do this, and I'm willing to learn. ​

Answer 1

Answer:

$3x + 15 = 4x + 12 \\ 4x - 3x = 15 - 12 \\ \boxed{x = 3}$

x=3 is the right answer.