15y-3-8y=18

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Solution for 15y-3-8y=18 equation:


Simplifying
15y + -3 + -8y = 18

Reorder the terms:
-3 + 15y + -8y = 18

Combine like terms: 15y + -8y = 7y
-3 + 7y = 18

Solving
-3 + 7y = 18

Solving for variable 'y'.

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

Add '3' to each side of the equation.
-3 + 3 + 7y = 18 + 3

Combine like terms: -3 + 3 = 0
0 + 7y = 18 + 3
7y = 18 + 3

Combine like terms: 18 + 3 = 21
7y = 21

Divide each side by '7'.
y = 3

Simplifying
y = 3

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