Solve for x
x=0
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-3x+2-x=2
Subtract x from both sides.
-4x+2=2
Combine -3x and -x to get -4x.
-4x=2-2
Subtract 2 from both sides.
-4x=0
Subtract 2 from 2 to get 0.
x=0
Product of two numbers is equal to 0 if at least one of them is 0. Since -4 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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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 ) }
Integration
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Limits
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