2x-15=78

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Solution for 2x-15=78 equation: 


Simplifying
2x + -15 = 78

Reorder the terms:
-15 + 2x = 78

Solving
-15 + 2x = 78

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 2x = 78 + 15

Combine like terms: -15 + 15 = 0
0 + 2x = 78 + 15
2x = 78 + 15

Combine like terms: 78 + 15 = 93
2x = 93

Divide each side by '2'.
x = 46.5

Simplifying
x = 46.5

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