Solve for x
x=-6
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15-x=18-\left(-3\right)
Add -32 and 47 to get 15.
15-x=18+3
The opposite of -3 is 3.
15-x=21
Add 18 and 3 to get 21.
-x=21-15
Subtract 15 from both sides.
-x=6
Subtract 15 from 21 to get 6.
x=-6
Multiply both sides by -1.
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