X+2x+15=78

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Solution for X+2x+15=78 equation:


Simplifying
X + 2x + 15 = 78

Reorder the terms:
15 + X + 2x = 78

Solving
15 + X + 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 + X + -15 + 2x = 78 + -15

Reorder the terms:
15 + -15 + X + 2x = 78 + -15

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

Combine like terms: 78 + -15 = 63
X + 2x = 63

Add '-2x' to each side of the equation.
X + 2x + -2x = 63 + -2x

Combine like terms: 2x + -2x = 0
X + 0 = 63 + -2x
X = 63 + -2x

Simplifying
X = 63 + -2x

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