9x+20=x-25

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Solution for 9x+20=x-25 equation:


Simplifying
9x + 20 = x + -25

Reorder the terms:
20 + 9x = x + -25

Reorder the terms:
20 + 9x = -25 + x

Solving
20 + 9x = -25 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
20 + 9x + -1x = -25 + x + -1x

Combine like terms: 9x + -1x = 8x
20 + 8x = -25 + x + -1x

Combine like terms: x + -1x = 0
20 + 8x = -25 + 0
20 + 8x = -25

Add '-20' to each side of the equation.
20 + -20 + 8x = -25 + -20

Combine like terms: 20 + -20 = 0
0 + 8x = -25 + -20
8x = -25 + -20

Combine like terms: -25 + -20 = -45
8x = -45

Divide each side by '8'.
x = -5.625

Simplifying
x = -5.625

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