Solve for x
x=12
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x+5-2x=-7
Subtract 2x from both sides.
-x+5=-7
Combine x and -2x to get -x.
-x=-7-5
Subtract 5 from both sides.
-x=-12
Subtract 5 from -7 to get -12.
x=12
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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