Solve for x
x=-5
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5x-5-7x=5
Subtract 7x from both sides.
-2x-5=5
Combine 5x and -7x to get -2x.
-2x=5+5
Add 5 to both sides.
-2x=10
Add 5 and 5 to get 10.
x=\frac{10}{-2}
Divide both sides by -2.
x=-5
Divide 10 by -2 to get -5.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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