Solve for x
x=-26
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-x+28=54
Combine 4x and -5x to get -x.
-x=54-28
Subtract 28 from both sides.
-x=26
Subtract 28 from 54 to get 26.
x=-26
Multiply both sides by -1.
Examples
Quadratic equation
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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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