Question

how to solve this?
please give the answer step by step.​

Answer 1

7x-5

Explanation:

3(x-7)+4(x+4)

3x - 21 + 4x + 16

7x - 5

Answer 2

Answer:

x = -7+3 + × = (-4+4)

× = -4 + x = 0

x -4 + 0

x = -4