2x+20=78

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Solution for 2x+20=78 equation: 


Simplifying
2x + 20 = 78

Reorder the terms:
20 + 2x = 78

Solving
20 + 2x = 78

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 + 2x = 78 + -20

Combine like terms: 20 + -20 = 0
0 + 2x = 78 + -20
2x = 78 + -20

Combine like terms: 78 + -20 = 58
2x = 58

Divide each side by '2'.
x = 29

Simplifying
x = 29

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