12x - 8 = 10x + 4
2x = 12
x = 6
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5x + 4 = 10x - 5 10x - 5x = 4 + 5 5x = 9 x = 1.8
10x + 13 = 1710x = 17-1310x = 4x = 4/10x = 0.4
x = 4
If: 4y+10x = 16Then: 4y = -10x+16And: y = -2.5x+4
6-3x = 5x-10x+2 4 = 8x-10x 4 = -2x x = -2