(x-8)-(7x+7)=

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


Simplifying
(x + -8) + -1(7x + 7) = 0

Reorder the terms:
(-8 + x) + -1(7x + 7) = 0

Remove parenthesis around (-8 + x)
-8 + x + -1(7x + 7) = 0

Reorder the terms:
-8 + x + -1(7 + 7x) = 0
-8 + x + (7 * -1 + 7x * -1) = 0
-8 + x + (-7 + -7x) = 0

Reorder the terms:
-8 + -7 + x + -7x = 0

Combine like terms: -8 + -7 = -15
-15 + x + -7x = 0

Combine like terms: x + -7x = -6x
-15 + -6x = 0

Solving
-15 + -6x = 0

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + -6x = 0 + 15

Combine like terms: -15 + 15 = 0
0 + -6x = 0 + 15
-6x = 0 + 15

Combine like terms: 0 + 15 = 15
-6x = 15

Divide each side by '-6'.
x = -2.5

Simplifying
x = -2.5

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