-8 + 10x = 18
10x = 18+8
10x = 26
x = 26/10
x = 2.6
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x=-3
x=-8
12x + 9 = 10x + 1 Subtract 10x from both sides: 2x + 9 = 1 Sutract 9 from both sides: 2x = - 8 Divide both sides by 2: x = -4
x + 10 = 18 18 - 10 = x 18 -10 = 8 x = 8
10x=80 divide each side by 10 to get x by itself 10/10x=1x 80/10=8 x=8