Solve for x
x=-3
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x+1-3x+3=1-3x
Use the distributive property to multiply -3 by x-1.
-2x+1+3=1-3x
Combine x and -3x to get -2x.
-2x+4=1-3x
Add 1 and 3 to get 4.
-2x+4+3x=1
Add 3x to both sides.
x+4=1
Combine -2x and 3x to get x.
x=1-4
Subtract 4 from both sides.
x=-3
Subtract 4 from 1 to get -3.
Examples
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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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