15y-10=20-3y-9

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Solution for 15y-10=20-3y-9 equation:


Simplifying
15y + -10 = 20 + -3y + -9

Reorder the terms:
-10 + 15y = 20 + -3y + -9

Reorder the terms:
-10 + 15y = 20 + -9 + -3y

Combine like terms: 20 + -9 = 11
-10 + 15y = 11 + -3y

Solving
-10 + 15y = 11 + -3y

Solving for variable 'y'.

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

Add '3y' to each side of the equation.
-10 + 15y + 3y = 11 + -3y + 3y

Combine like terms: 15y + 3y = 18y
-10 + 18y = 11 + -3y + 3y

Combine like terms: -3y + 3y = 0
-10 + 18y = 11 + 0
-10 + 18y = 11

Add '10' to each side of the equation.
-10 + 10 + 18y = 11 + 10

Combine like terms: -10 + 10 = 0
0 + 18y = 11 + 10
18y = 11 + 10

Combine like terms: 11 + 10 = 21
18y = 21

Divide each side by '18'.
y = 1.166666667

Simplifying
y = 1.166666667

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