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

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


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

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

Remove parenthesis around (-8 + -7x)
-8 + -7x + 9 = -6(x + 1)

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

Combine like terms: -8 + 9 = 1
1 + -7x = -6(x + 1)

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

Solving
1 + -7x = -6 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
1 + -7x + 6x = -6 + -6x + 6x

Combine like terms: -7x + 6x = -1x
1 + -1x = -6 + -6x + 6x

Combine like terms: -6x + 6x = 0
1 + -1x = -6 + 0
1 + -1x = -6

Add '-1' to each side of the equation.
1 + -1 + -1x = -6 + -1

Combine like terms: 1 + -1 = 0
0 + -1x = -6 + -1
-1x = -6 + -1

Combine like terms: -6 + -1 = -7
-1x = -7

Divide each side by '-1'.
x = 7

Simplifying
x = 7

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