10x - 18 = 5x + 2 Add -5x + 18 to both sides of the equation, to get: 5x = 20, from which x = 4.
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5x+2=x+10 5x-x=10-2 4x=8 x=2
DIE
x=6Solution:x + 2x + 14 = 5x + 214 - 2 = 5x - 3x12 = 2xx = 12/2 = 6
5x+2=2x-10 x=-4
5x + 2 = 22 5x = 22 - 2 5x = 20 5x/5 = 20/5 x=4