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OpenStudy (anonymous):
5-x-x=-1
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OpenStudy (anonymous):
Simplify the equation. 5 -x-x is the same as 5 - 2x, so: 5-2x = -1 Add 1 to both sides 5 - 2x + 1 = 0 Simplify to: 6 - 2x = 0 add 2x to both sides: 6 = 2x solve for x.
OpenStudy (anonymous):
x=3
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