X-(x+15)=100

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


Simplifying
X + -1(x + 15) = 100

Reorder the terms:
X + -1(15 + x) = 100
X + (15 * -1 + x * -1) = 100
X + (-15 + -1x) = 100

Reorder the terms:
-15 + X + -1x = 100

Solving
-15 + X + -1x = 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 + -1x = 100 + 15

Reorder the terms:
-15 + 15 + X + -1x = 100 + 15

Combine like terms: -15 + 15 = 0
0 + X + -1x = 100 + 15
X + -1x = 100 + 15

Combine like terms: 100 + 15 = 115
X + -1x = 115

Add 'x' to each side of the equation.
X + -1x + x = 115 + x

Combine like terms: -1x + x = 0
X + 0 = 115 + x
X = 115 + x

Simplifying
X = 115 + x

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