(X+15)+(170-3x)=155

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Solution for (X+15)+(170-3x)=155 equation:


Simplifying
(X + 15) + (170 + -3x) = 155

Reorder the terms:
(15 + X) + (170 + -3x) = 155

Remove parenthesis around (15 + X)
15 + X + (170 + -3x) = 155

Remove parenthesis around (170 + -3x)
15 + X + 170 + -3x = 155

Reorder the terms:
15 + 170 + X + -3x = 155

Combine like terms: 15 + 170 = 185
185 + X + -3x = 155

Solving
185 + X + -3x = 155

Solving for variable 'X'.

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

Add '-185' to each side of the equation.
185 + X + -185 + -3x = 155 + -185

Reorder the terms:
185 + -185 + X + -3x = 155 + -185

Combine like terms: 185 + -185 = 0
0 + X + -3x = 155 + -185
X + -3x = 155 + -185

Combine like terms: 155 + -185 = -30
X + -3x = -30

Add '3x' to each side of the equation.
X + -3x + 3x = -30 + 3x

Combine like terms: -3x + 3x = 0
X + 0 = -30 + 3x
X = -30 + 3x

Simplifying
X = -30 + 3x

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