3(x+1)-x=2(9-x)

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Solution for 3(x+1)-x=2(9-x) equation:


Simplifying
3(x + 1) + -1x = 2(9 + -1x)

Reorder the terms:
3(1 + x) + -1x = 2(9 + -1x)
(1 * 3 + x * 3) + -1x = 2(9 + -1x)
(3 + 3x) + -1x = 2(9 + -1x)

Combine like terms: 3x + -1x = 2x
3 + 2x = 2(9 + -1x)
3 + 2x = (9 * 2 + -1x * 2)
3 + 2x = (18 + -2x)

Solving
3 + 2x = 18 + -2x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '2x' to each side of the equation.
3 + 2x + 2x = 18 + -2x + 2x

Combine like terms: 2x + 2x = 4x
3 + 4x = 18 + -2x + 2x

Combine like terms: -2x + 2x = 0
3 + 4x = 18 + 0
3 + 4x = 18

Add '-3' to each side of the equation.
3 + -3 + 4x = 18 + -3

Combine like terms: 3 + -3 = 0
0 + 4x = 18 + -3
4x = 18 + -3

Combine like terms: 18 + -3 = 15
4x = 15

Divide each side by '4'.
x = 3.75

Simplifying
x = 3.75

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