Solve for x
x=9
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7x=63
Multiply 3 and 21 to get 63.
x=\frac{63}{7}
Divide both sides by 7.
x=9
Divide 63 by 7 to get 9.
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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