3y+15=2y+20

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Solution for 3y+15=2y+20 equation:


Simplifying
3y + 15 = 2y + 20

Reorder the terms:
15 + 3y = 2y + 20

Reorder the terms:
15 + 3y = 20 + 2y

Solving
15 + 3y = 20 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
15 + 3y + -2y = 20 + 2y + -2y

Combine like terms: 3y + -2y = 1y
15 + 1y = 20 + 2y + -2y

Combine like terms: 2y + -2y = 0
15 + 1y = 20 + 0
15 + 1y = 20

Add '-15' to each side of the equation.
15 + -15 + 1y = 20 + -15

Combine like terms: 15 + -15 = 0
0 + 1y = 20 + -15
1y = 20 + -15

Combine like terms: 20 + -15 = 5
1y = 5

Divide each side by '1'.
y = 5

Simplifying
y = 5

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