3y-100=y+100

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Solution for 3y-100=y+100 equation:


Simplifying
3y + -100 = y + 100

Reorder the terms:
-100 + 3y = y + 100

Reorder the terms:
-100 + 3y = 100 + y

Solving
-100 + 3y = 100 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
-100 + 3y + -1y = 100 + y + -1y

Combine like terms: 3y + -1y = 2y
-100 + 2y = 100 + y + -1y

Combine like terms: y + -1y = 0
-100 + 2y = 100 + 0
-100 + 2y = 100

Add '100' to each side of the equation.
-100 + 100 + 2y = 100 + 100

Combine like terms: -100 + 100 = 0
0 + 2y = 100 + 100
2y = 100 + 100

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

Divide each side by '2'.
y = 100

Simplifying
y = 100

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