Solve for x
x=13
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3\times 4=x-1
Multiply both sides by 4, the reciprocal of \frac{1}{4}.
12=x-1
Multiply 3 and 4 to get 12.
x-1=12
Swap sides so that all variable terms are on the left hand side.
x=12+1
Add 1 to both sides.
x=13
Add 12 and 1 to get 13.
Examples
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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