x+45=-8x-63

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Solution for x+45=-8x-63 equation:


Simplifying
x + 45 = -8x + -63

Reorder the terms:
45 + x = -8x + -63

Reorder the terms:
45 + x = -63 + -8x

Solving
45 + x = -63 + -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.
45 + x + 8x = -63 + -8x + 8x

Combine like terms: x + 8x = 9x
45 + 9x = -63 + -8x + 8x

Combine like terms: -8x + 8x = 0
45 + 9x = -63 + 0
45 + 9x = -63

Add '-45' to each side of the equation.
45 + -45 + 9x = -63 + -45

Combine like terms: 45 + -45 = 0
0 + 9x = -63 + -45
9x = -63 + -45

Combine like terms: -63 + -45 = -108
9x = -108

Divide each side by '9'.
x = -12

Simplifying
x = -12

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