Solve for X
X=0
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3X+2=6X+2
Divide 4 by 2 to get 2.
3X+2-6X=2
Subtract 6X from both sides.
-3X+2=2
Combine 3X and -6X to get -3X.
-3X=2-2
Subtract 2 from both sides.
-3X=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 -3 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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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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