6x+7-4(x+1)=9x+8

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Solution for 6x+7-4(x+1)=9x+8 equation:


Simplifying
6x + 7 + -4(x + 1) = 9x + 8

Reorder the terms:
6x + 7 + -4(1 + x) = 9x + 8
6x + 7 + (1 * -4 + x * -4) = 9x + 8
6x + 7 + (-4 + -4x) = 9x + 8

Reorder the terms:
7 + -4 + 6x + -4x = 9x + 8

Combine like terms: 7 + -4 = 3
3 + 6x + -4x = 9x + 8

Combine like terms: 6x + -4x = 2x
3 + 2x = 9x + 8

Reorder the terms:
3 + 2x = 8 + 9x

Solving
3 + 2x = 8 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
3 + 2x + -9x = 8 + 9x + -9x

Combine like terms: 2x + -9x = -7x
3 + -7x = 8 + 9x + -9x

Combine like terms: 9x + -9x = 0
3 + -7x = 8 + 0
3 + -7x = 8

Add '-3' to each side of the equation.
3 + -3 + -7x = 8 + -3

Combine like terms: 3 + -3 = 0
0 + -7x = 8 + -3
-7x = 8 + -3

Combine like terms: 8 + -3 = 5
-7x = 5

Divide each side by '-7'.
x = -0.7142857143

Simplifying
x = -0.7142857143

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