20y+13=15y-8

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Solution for 20y+13=15y-8 equation:


Simplifying
20y + 13 = 15y + -8

Reorder the terms:
13 + 20y = 15y + -8

Reorder the terms:
13 + 20y = -8 + 15y

Solving
13 + 20y = -8 + 15y

Solving for variable 'y'.

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

Add '-15y' to each side of the equation.
13 + 20y + -15y = -8 + 15y + -15y

Combine like terms: 20y + -15y = 5y
13 + 5y = -8 + 15y + -15y

Combine like terms: 15y + -15y = 0
13 + 5y = -8 + 0
13 + 5y = -8

Add '-13' to each side of the equation.
13 + -13 + 5y = -8 + -13

Combine like terms: 13 + -13 = 0
0 + 5y = -8 + -13
5y = -8 + -13

Combine like terms: -8 + -13 = -21
5y = -21

Divide each side by '5'.
y = -4.2

Simplifying
y = -4.2

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