-9x+40=13

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Solution for -9x+40=13 equation: 


Simplifying
-9x + 40 = 13

Reorder the terms:
40 + -9x = 13

Solving
40 + -9x = 13

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + -9x = 13 + -40

Combine like terms: 40 + -40 = 0
0 + -9x = 13 + -40
-9x = 13 + -40

Combine like terms: 13 + -40 = -27
-9x = -27

Divide each side by '-9'.
x = 3

Simplifying
x = 3

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