X+(x+15)=100

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Solution for X+(x+15)=100 equation:


Simplifying
X + (x + 15) = 100

Reorder the terms:
X + (15 + x) = 100

Remove parenthesis around (15 + x)
X + 15 + x = 100

Reorder the terms:
15 + X + x = 100

Solving
15 + X + x = 100

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 + x = 100 + -15

Reorder the terms:
15 + -15 + X + x = 100 + -15

Combine like terms: 15 + -15 = 0
0 + X + x = 100 + -15
X + x = 100 + -15

Combine like terms: 100 + -15 = 85
X + x = 85

Add '-1x' to each side of the equation.
X + x + -1x = 85 + -1x

Combine like terms: x + -1x = 0
X + 0 = 85 + -1x
X = 85 + -1x

Simplifying
X = 85 + -1x

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