Solve for x
x=0
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3x-4=4x-4
Use the distributive property to multiply 4 by x-1.
3x-4-4x=-4
Subtract 4x from both sides.
-x-4=-4
Combine 3x and -4x to get -x.
-x=-4+4
Add 4 to both sides.
-x=0
Add -4 and 4 to get 0.
x=0
Product of two numbers is equal to 0 if at least one of them is 0. Since -1 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
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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