9x+90=8(x-7)

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Solution for 9x+90=8(x-7) equation:


Simplifying
9x + 90 = 8(x + -7)

Reorder the terms:
90 + 9x = 8(x + -7)

Reorder the terms:
90 + 9x = 8(-7 + x)
90 + 9x = (-7 * 8 + x * 8)
90 + 9x = (-56 + 8x)

Solving
90 + 9x = -56 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
90 + 9x + -8x = -56 + 8x + -8x

Combine like terms: 9x + -8x = 1x
90 + 1x = -56 + 8x + -8x

Combine like terms: 8x + -8x = 0
90 + 1x = -56 + 0
90 + 1x = -56

Add '-90' to each side of the equation.
90 + -90 + 1x = -56 + -90

Combine like terms: 90 + -90 = 0
0 + 1x = -56 + -90
1x = -56 + -90

Combine like terms: -56 + -90 = -146
1x = -146

Divide each side by '1'.
x = -146

Simplifying
x = -146

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