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

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


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

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

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

Combine like terms: 9 + -4 = 5
5 + 6x + -4x = 7x + 8

Combine like terms: 6x + -4x = 2x
5 + 2x = 7x + 8

Reorder the terms:
5 + 2x = 8 + 7x

Solving
5 + 2x = 8 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
5 + 2x + -7x = 8 + 7x + -7x

Combine like terms: 2x + -7x = -5x
5 + -5x = 8 + 7x + -7x

Combine like terms: 7x + -7x = 0
5 + -5x = 8 + 0
5 + -5x = 8

Add '-5' to each side of the equation.
5 + -5 + -5x = 8 + -5

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

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

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

Simplifying
x = -0.6

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