6x+9-3(x+1)=8x+9

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Solution for 6x+9-3(x+1)=8x+9 equation:


Simplifying
6x + 9 + -3(x + 1) = 8x + 9

Reorder the terms:
6x + 9 + -3(1 + x) = 8x + 9
6x + 9 + (1 * -3 + x * -3) = 8x + 9
6x + 9 + (-3 + -3x) = 8x + 9

Reorder the terms:
9 + -3 + 6x + -3x = 8x + 9

Combine like terms: 9 + -3 = 6
6 + 6x + -3x = 8x + 9

Combine like terms: 6x + -3x = 3x
6 + 3x = 8x + 9

Reorder the terms:
6 + 3x = 9 + 8x

Solving
6 + 3x = 9 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
6 + 3x + -8x = 9 + 8x + -8x

Combine like terms: 3x + -8x = -5x
6 + -5x = 9 + 8x + -8x

Combine like terms: 8x + -8x = 0
6 + -5x = 9 + 0
6 + -5x = 9

Add '-6' to each side of the equation.
6 + -6 + -5x = 9 + -6

Combine like terms: 6 + -6 = 0
0 + -5x = 9 + -6
-5x = 9 + -6

Combine like terms: 9 + -6 = 3
-5x = 3

Divide each side by '-5'.
x = -0.6

Simplifying
x = -0.6

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