Solve for x
x=0
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0x+x+12=12
Multiply both sides of the equation by 4, the least common multiple of 2,4.
0+x+12=12
Anything times zero gives zero.
12+x=12
Add 0 and 12 to get 12.
x=12-12
Subtract 12 from both sides.
x=0
Subtract 12 from 12 to get 0.
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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