9-x-4=45

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Solution for 9-x-4=45 equation:


Simplifying
9 + -1x + -4 = 45

Reorder the terms:
9 + -4 + -1x = 45

Combine like terms: 9 + -4 = 5
5 + -1x = 45

Solving
5 + -1x = 45

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + -1x = 45 + -5

Combine like terms: 5 + -5 = 0
0 + -1x = 45 + -5
-1x = 45 + -5

Combine like terms: 45 + -5 = 40
-1x = 40

Divide each side by '-1'.
x = -40

Simplifying
x = -40

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