Solve for x
x=-20
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-5\times 4=x
Multiply both sides by 4.
-20=x
Multiply -5 and 4 to get -20.
x=-20
Swap sides so that all variable terms are on the left hand side.
Examples
Quadratic equation
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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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