Solve for x
x=0
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2x=5-5x-5
Use the distributive property to multiply 5 by 1-x.
2x=-5x
Subtract 5 from 5 to get 0.
2x+5x=0
Add 5x to both sides.
7x=0
Combine 2x and 5x to get 7x.
x=0
Product of two numbers is equal to 0 if at least one of them is 0. Since 7 is not equal to 0, x must be equal to 0.
Examples
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4 \sin \theta \cos \theta = 2 \sin \theta
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.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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