Solve for x
x=0
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10x=20x
Combine 30x and -20x to get 10x.
10x-20x=0
Subtract 20x from both sides.
-10x=0
Combine 10x and -20x to get -10x.
x=0
Product of two numbers is equal to 0 if at least one of them is 0. Since -10 is not equal to 0, x must be equal to 0.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
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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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