3x+-5=55

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Solution for 3x+-5=55 equation: 


Simplifying
3x + -5 = 55

Reorder the terms:
-5 + 3x = 55

Solving
-5 + 3x = 55

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 + 3x = 55 + 5

Combine like terms: -5 + 5 = 0
0 + 3x = 55 + 5
3x = 55 + 5

Combine like terms: 55 + 5 = 60
3x = 60

Divide each side by '3'.
x = 20

Simplifying
x = 20

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