Solve for x
x=8
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x+9-2x=1
Subtract 2x from both sides.
-x+9=1
Combine x and -2x to get -x.
-x=1-9
Subtract 9 from both sides.
-x=-8
Subtract 9 from 1 to get -8.
x=8
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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