-5x+20=45

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Solution for -5x+20=45 equation: 


Simplifying
-5x + 20 = 45

Reorder the terms:
20 + -5x = 45

Solving
20 + -5x = 45

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + -5x = 45 + -20

Combine like terms: 20 + -20 = 0
0 + -5x = 45 + -20
-5x = 45 + -20

Combine like terms: 45 + -20 = 25
-5x = 25

Divide each side by '-5'.
x = -5

Simplifying
x = -5

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