0.7x-0.9x+9=-7

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Solution for 0.7x-0.9x+9=-7 equation:


Simplifying
0.7x + -0.9x + 9 = -7

Reorder the terms:
9 + 0.7x + -0.9x = -7

Combine like terms: 0.7x + -0.9x = -0.2x
9 + -0.2x = -7

Solving
9 + -0.2x = -7

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + -0.2x = -7 + -9

Combine like terms: 9 + -9 = 0
0 + -0.2x = -7 + -9
-0.2x = -7 + -9

Combine like terms: -7 + -9 = -16
-0.2x = -16

Divide each side by '-0.2'.
x = 80

Simplifying
x = 80

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