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 = 63
2X = 63

Divide each side by '2'.
X = 31.5

Simplifying
X = 31.5

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