Solve for x
x=-7
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2x+2=x-5
Use the distributive property to multiply 2 by x+1.
2x+2-x=-5
Subtract x from both sides.
x+2=-5
Combine 2x and -x to get x.
x=-5-2
Subtract 2 from both sides.
x=-7
Subtract 2 from -5 to get -7.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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 ) }
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Limits
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