Solve for x
x=25
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65-x=40
Multiply both sides of the equation by 5.
-x=40-65
Subtract 65 from both sides.
-x=-25
Subtract 65 from 40 to get -25.
x=25
Multiply both sides by -1.
Examples
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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