Add 6x to both sides
-202 = 86 + 2x + 6x
Simplify 86 + 2x + 6x to 86 + 8x
-202 = 86 + 8x
Subtract 86 from both sides
-202 - 86 = 8x
Simplify -202 - 86 to -288
-288 = 8x
Divide both sides by 8
-288/8 = x
Simplify 288/8 to 36
-36 = x
Switch sides
x = -36
