-9x+2x+9-20=45

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Solution for -9x+2x+9-20=45 equation:


Simplifying
-9x + 2x + 9 + -20 = 45

Reorder the terms:
9 + -20 + -9x + 2x = 45

Combine like terms: 9 + -20 = -11
-11 + -9x + 2x = 45

Combine like terms: -9x + 2x = -7x
-11 + -7x = 45

Solving
-11 + -7x = 45

Solving for variable 'x'.

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

Add '11' to each side of the equation.
-11 + 11 + -7x = 45 + 11

Combine like terms: -11 + 11 = 0
0 + -7x = 45 + 11
-7x = 45 + 11

Combine like terms: 45 + 11 = 56
-7x = 56

Divide each side by '-7'.
x = -8

Simplifying
x = -8

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