20y-15=13y+6

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Solution for 20y-15=13y+6 equation:


Simplifying
20y + -15 = 13y + 6

Reorder the terms:
-15 + 20y = 13y + 6

Reorder the terms:
-15 + 20y = 6 + 13y

Solving
-15 + 20y = 6 + 13y

Solving for variable 'y'.

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

Add '-13y' to each side of the equation.
-15 + 20y + -13y = 6 + 13y + -13y

Combine like terms: 20y + -13y = 7y
-15 + 7y = 6 + 13y + -13y

Combine like terms: 13y + -13y = 0
-15 + 7y = 6 + 0
-15 + 7y = 6

Add '15' to each side of the equation.
-15 + 15 + 7y = 6 + 15

Combine like terms: -15 + 15 = 0
0 + 7y = 6 + 15
7y = 6 + 15

Combine like terms: 6 + 15 = 21
7y = 21

Divide each side by '7'.
y = 3

Simplifying
y = 3

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