Solve for x
x=21
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2x-14-\left(x+7\right)=0
Use the distributive property to multiply 2 by x-7.
2x-14-x-7=0
To find the opposite of x+7, find the opposite of each term.
x-14-7=0
Combine 2x and -x to get x.
x-21=0
Subtract 7 from -14 to get -21.
x=21
Add 21 to both sides. Anything plus zero gives itself.
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