karina0444
karina0444
24-09-2018
Mathematics
contestada
Helppppppp someone lol
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orchidd
orchidd
24-09-2018
5)
5x - 6 - 2x = 6 + 3x - 12
3x - 6 = -6 + 3x
3x - 3x = -6 + 6
0 = 0
6)
5 + 4x -3x = 2x + 8 - x
5 + x = x + 8
5 - 8 = x - x
-3 = 0
7)
3x - 6 - 2x = 2x - x - 6
x - 6 = x - 6
x - x = -6 + 6
0 = 0
8)
7x + 2 - 3x = 2x + 3 + 2x
4x + 2 = 4x + 3
4x - 4x = 3 - 2
0 = 1
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