Solve for x
x=-2
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4x+12-\left(1-x\right)=1
Use the distributive property to multiply 4 by x+3.
4x+12-1-\left(-x\right)=1
To find the opposite of 1-x, find the opposite of each term.
4x+12-1+x=1
The opposite of -x is x.
4x+11+x=1
Subtract 1 from 12 to get 11.
5x+11=1
Combine 4x and x to get 5x.
5x=1-11
Subtract 11 from both sides.
5x=-10
Subtract 11 from 1 to get -10.
x=\frac{-10}{5}
Divide both sides by 5.
x=-2
Divide -10 by 5 to get -2.
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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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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