(100-y)+2y=200

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Solution for (100-y)+2y=200 equation:


Simplifying
(100 + -1y) + 2y = 200

Remove parenthesis around (100 + -1y)
100 + -1y + 2y = 200

Combine like terms: -1y + 2y = 1y
100 + 1y = 200

Solving
100 + 1y = 200

Solving for variable 'y'.

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

Add '-100' to each side of the equation.
100 + -100 + 1y = 200 + -100

Combine like terms: 100 + -100 = 0
0 + 1y = 200 + -100
1y = 200 + -100

Combine like terms: 200 + -100 = 100
1y = 100

Divide each side by '1'.
y = 100

Simplifying
y = 100

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