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- (4x - 4) + 5x = 2x + 8
-4x + 4 + 5x (distribusi) = 2x + 8
x + 4 = 2x + 8
x - 2x = 8 - 4
- x = 4
x = -4
2.
2(5x - 4) -4x = 8 - (2x-5)
10x - 8 -4x = 8 -2x + 5
6x - 8 = 13 - 2x
6x + 2x = 13 + 8
8x = 21
x = 21 per 8
-(4x-4)+5x=2x+8
-4x+4+5x=2x+8
4+x=2x+8
4-8=2x-x
-4=x
2
2(5x-4)-4x=8-(2x-5)
10x-8-4x=8-2x+5
6x-8=13-2x
6x+2x=13+8
8x=21
x=21/8