Question

1. what is the x of "5x - 4 = 3x + 8"

2. what is the x of "-4x + 7 = -7x - 8"
3. what is the x of "6x + 7 = -4x - 4

Answer 1

1. x= -2 2. x= -5 3. x= -11/10

Explanation:

1. 5x-3x -4+4=3x-3x+8+4 2x/2=-4/2 x=-2

2. -4x+7x +7-7=-7x+7x-8-7 3x/3=-15/3 x=-5

3. 6x+4x+7-7=-4x+4x-4-7 10x/10=-11/10 x=-11/10