.7x-8=.9x+12

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Solution for .7x-8=.9x+12 equation:


Simplifying
0.7x + -8 = 0.9x + 12

Reorder the terms:
-8 + 0.7x = 0.9x + 12

Reorder the terms:
-8 + 0.7x = 12 + 0.9x

Solving
-8 + 0.7x = 12 + 0.9x

Solving for variable 'x'.

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

Add '-0.9x' to each side of the equation.
-8 + 0.7x + -0.9x = 12 + 0.9x + -0.9x

Combine like terms: 0.7x + -0.9x = -0.2x
-8 + -0.2x = 12 + 0.9x + -0.9x

Combine like terms: 0.9x + -0.9x = 0.0
-8 + -0.2x = 12 + 0.0
-8 + -0.2x = 12

Add '8' to each side of the equation.
-8 + 8 + -0.2x = 12 + 8

Combine like terms: -8 + 8 = 0
0 + -0.2x = 12 + 8
-0.2x = 12 + 8

Combine like terms: 12 + 8 = 20
-0.2x = 20

Divide each side by '-0.2'.
x = -100

Simplifying
x = -100

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