8-3(x+1)=9+x

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Solution for 8-3(x+1)=9+x equation: 


Simplifying
8 + -3(x + 1) = 9 + x

Reorder the terms:
8 + -3(1 + x) = 9 + x
8 + (1 * -3 + x * -3) = 9 + x
8 + (-3 + -3x) = 9 + x

Combine like terms: 8 + -3 = 5
5 + -3x = 9 + x

Solving
5 + -3x = 9 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
5 + -3x + -1x = 9 + x + -1x

Combine like terms: -3x + -1x = -4x
5 + -4x = 9 + x + -1x

Combine like terms: x + -1x = 0
5 + -4x = 9 + 0
5 + -4x = 9

Add '-5' to each side of the equation.
5 + -5 + -4x = 9 + -5

Combine like terms: 5 + -5 = 0
0 + -4x = 9 + -5
-4x = 9 + -5

Combine like terms: 9 + -5 = 4
-4x = 4

Divide each side by '-4'.
x = -1

Simplifying
x = -1

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