3y+(-y)=200

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Solution for 3y+(-y)=200 equation: 


Simplifying
3y + (-1y) = 200

Combine like terms: 3y + (-1y) = 2y
2y = 200

Solving
2y = 200

Solving for variable 'y'.

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

Divide each side by '2'.
y = 100

Simplifying
y = 100

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