Solve for x
x=-55
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-12-15-x=28
To find the opposite of 15+x, find the opposite of each term.
-27-x=28
Subtract 15 from -12 to get -27.
-x=28+27
Add 27 to both sides.
-x=55
Add 28 and 27 to get 55.
x=-55
Multiply both sides by -1.
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