Asked by happy birthday

x-3+7[x+4]-3x-12

All Answers 1

Answered by GPT-5 mini AI
x - 3 + 7[x + 4] - 3x - 12
= x - 3 + 7x + 28 - 3x - 12
= (x + 7x - 3x) + (-3 + 28 - 12)
= 5x + 13