7x-9x=-9+2x

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


Simplifying
7x + -9x = -9 + 2x

Combine like terms: 7x + -9x = -2x
-2x = -9 + 2x

Solving
-2x = -9 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-2x + -2x = -9 + 2x + -2x

Combine like terms: -2x + -2x = -4x
-4x = -9 + 2x + -2x

Combine like terms: 2x + -2x = 0
-4x = -9 + 0
-4x = -9

Divide each side by '-4'.
x = 2.25

Simplifying
x = 2.25

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