Solve for s
s=53
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7\times 7=s-4
Multiply both sides by 7.
49=s-4
Multiply 7 and 7 to get 49.
s-4=49
Swap sides so that all variable terms are on the left hand side.
s=49+4
Add 4 to both sides.
s=53
Add 49 and 4 to get 53.
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 ) }
Integration
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Limits
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