3y+5=-2y+20

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Solution for 3y+5=-2y+20 equation:


Simplifying
3y + 5 = -2y + 20

Reorder the terms:
5 + 3y = -2y + 20

Reorder the terms:
5 + 3y = 20 + -2y

Solving
5 + 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.
5 + 3y + 2y = 20 + -2y + 2y

Combine like terms: 3y + 2y = 5y
5 + 5y = 20 + -2y + 2y

Combine like terms: -2y + 2y = 0
5 + 5y = 20 + 0
5 + 5y = 20

Add '-5' to each side of the equation.
5 + -5 + 5y = 20 + -5

Combine like terms: 5 + -5 = 0
0 + 5y = 20 + -5
5y = 20 + -5

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

Divide each side by '5'.
y = 3

Simplifying
y = 3

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