.9x+.2=.7x-.8

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Solution for .9x+.2=.7x-.8 equation: 


Simplifying
0.9x + 0.2 = 0.7x + -0.8

Reorder the terms:
0.2 + 0.9x = 0.7x + -0.8

Reorder the terms:
0.2 + 0.9x = -0.8 + 0.7x

Solving
0.2 + 0.9x = -0.8 + 0.7x

Solving for variable 'x'.

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

Add '-0.7x' to each side of the equation.
0.2 + 0.9x + -0.7x = -0.8 + 0.7x + -0.7x

Combine like terms: 0.9x + -0.7x = 0.2x
0.2 + 0.2x = -0.8 + 0.7x + -0.7x

Combine like terms: 0.7x + -0.7x = 0.0
0.2 + 0.2x = -0.8 + 0.0
0.2 + 0.2x = -0.8

Add '-0.2' to each side of the equation.
0.2 + -0.2 + 0.2x = -0.8 + -0.2

Combine like terms: 0.2 + -0.2 = 0.0
0.0 + 0.2x = -0.8 + -0.2
0.2x = -0.8 + -0.2

Combine like terms: -0.8 + -0.2 = -1
0.2x = -1

Divide each side by '0.2'.
x = -5

Simplifying
x = -5

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