-90=8+7(x-7)

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Solution for -90=8+7(x-7) equation:


Simplifying
-90 = 8 + 7(x + -7)

Reorder the terms:
-90 = 8 + 7(-7 + x)
-90 = 8 + (-7 * 7 + x * 7)
-90 = 8 + (-49 + 7x)

Combine like terms: 8 + -49 = -41
-90 = -41 + 7x

Solving
-90 = -41 + 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.
-90 + -7x = -41 + 7x + -7x

Combine like terms: 7x + -7x = 0
-90 + -7x = -41 + 0
-90 + -7x = -41

Add '90' to each side of the equation.
-90 + 90 + -7x = -41 + 90

Combine like terms: -90 + 90 = 0
0 + -7x = -41 + 90
-7x = -41 + 90

Combine like terms: -41 + 90 = 49
-7x = 49

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

Simplifying
x = -7

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