Solve for x
x=5
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2x+7-x=12
Subtract x from both sides.
x+7=12
Combine 2x and -x to get x.
x=12-7
Subtract 7 from both sides.
x=5
Subtract 7 from 12 to get 5.
Examples
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Matrix
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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