Solve for x
x=-2
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Quiz
Linear Equation
5 problems similar to:
\frac { x } { 2 } + \frac { 1 } { 4 } = \frac { 3 x } { 8 }
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4x+2=3x
Multiply both sides of the equation by 8, the least common multiple of 2,4,8.
4x+2-3x=0
Subtract 3x from both sides.
x+2=0
Combine 4x and -3x to get x.
x=-2
Subtract 2 from both sides. Anything subtracted from zero gives its negation.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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\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 ) }
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Limits
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