-12=.7x-.9x

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


Simplifying
-12 = 0.7x + -0.9x

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

Solving
-12 = -0.2x

Solving for variable 'x'.

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

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

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

Add '12' to each side of the equation.
-12 + 12 + 0.2x = 0.0 + 12

Combine like terms: -12 + 12 = 0
0 + 0.2x = 0.0 + 12
0.2x = 0.0 + 12

Combine like terms: 0.0 + 12 = 12
0.2x = 12

Divide each side by '0.2'.
x = 60

Simplifying
x = 60

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