Solve for x
x=0
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5\times 5x=x
Multiply both sides of the equation by 100, the least common multiple of 20,100.
25x=x
Multiply 5 and 5 to get 25.
25x-x=0
Subtract x from both sides.
24x=0
Combine 25x and -x to get 24x.
x=0
Product of two numbers is equal to 0 if at least one of them is 0. Since 24 is not equal to 0, x must be equal to 0.
Examples
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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