choski
choski
17-10-2018
Mathematics
contestada
-8 - x = x - 4 how do I solve it
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jodiejo
jodiejo
17-10-2018
answer: x = -2
-8-x = x-4 (given)
-8 = 2x-4 (add x on both sides)
-4 = 2x (add 4 on both sides)
-2 = x (divide by 2 on both sides)
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