15y-45=10y+20

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Solution for 15y-45=10y+20 equation:


Simplifying
15y + -45 = 10y + 20

Reorder the terms:
-45 + 15y = 10y + 20

Reorder the terms:
-45 + 15y = 20 + 10y

Solving
-45 + 15y = 20 + 10y

Solving for variable 'y'.

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

Add '-10y' to each side of the equation.
-45 + 15y + -10y = 20 + 10y + -10y

Combine like terms: 15y + -10y = 5y
-45 + 5y = 20 + 10y + -10y

Combine like terms: 10y + -10y = 0
-45 + 5y = 20 + 0
-45 + 5y = 20

Add '45' to each side of the equation.
-45 + 45 + 5y = 20 + 45

Combine like terms: -45 + 45 = 0
0 + 5y = 20 + 45
5y = 20 + 45

Combine like terms: 20 + 45 = 65
5y = 65

Divide each side by '5'.
y = 13

Simplifying
y = 13

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