20+5x=55

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Solution for 20+5x=55 equation: 


Simplifying
20 + 5x = 55

Solving
20 + 5x = 55

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 = 55 + -20

Combine like terms: 20 + -20 = 0
0 + 5x = 55 + -20
5x = 55 + -20

Combine like terms: 55 + -20 = 35
5x = 35

Divide each side by '5'.
x = 7

Simplifying
x = 7

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