X+Y+Y+Y+80+90=100

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Solution for X+Y+Y+Y+80+90=100 equation:


Simplifying
X + Y + Y + Y + 80 + 90 = 100

Reorder the terms:
80 + 90 + X + Y + Y + Y = 100

Combine like terms: 80 + 90 = 170
170 + X + Y + Y + Y = 100

Combine like terms: Y + Y = 2Y
170 + X + 2Y + Y = 100

Combine like terms: 2Y + Y = 3Y
170 + X + 3Y = 100

Solving
170 + X + 3Y = 100

Solving for variable 'X'.

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

Add '-170' to each side of the equation.
170 + X + -170 + 3Y = 100 + -170

Reorder the terms:
170 + -170 + X + 3Y = 100 + -170

Combine like terms: 170 + -170 = 0
0 + X + 3Y = 100 + -170
X + 3Y = 100 + -170

Combine like terms: 100 + -170 = -70
X + 3Y = -70

Add '-3Y' to each side of the equation.
X + 3Y + -3Y = -70 + -3Y

Combine like terms: 3Y + -3Y = 0
X + 0 = -70 + -3Y
X = -70 + -3Y

Simplifying
X = -70 + -3Y

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