Solve for x
x=9
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Linear Equation
5 problems similar to:
\frac{ x+3 }{ 6 } - \frac{ x+3 }{ 2 } = \frac{ x-21 }{ 3 }
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x+3-3\left(x+3\right)=2\left(x-21\right)
Multiply both sides of the equation by 6, the least common multiple of 6,2,3.
x+3-3x-9=2\left(x-21\right)
Use the distributive property to multiply -3 by x+3.
-2x+3-9=2\left(x-21\right)
Combine x and -3x to get -2x.
-2x-6=2\left(x-21\right)
Subtract 9 from 3 to get -6.
-2x-6=2x-42
Use the distributive property to multiply 2 by x-21.
-2x-6-2x=-42
Subtract 2x from both sides.
-4x-6=-42
Combine -2x and -2x to get -4x.
-4x=-42+6
Add 6 to both sides.
-4x=-36
Add -42 and 6 to get -36.
x=\frac{-36}{-4}
Divide both sides by -4.
x=9
Divide -36 by -4 to get 9.
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