-3y-18=8y+15

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


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

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

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

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

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
-18 + -3y + -8y = 15 + 8y + -8y

Combine like terms: -3y + -8y = -11y
-18 + -11y = 15 + 8y + -8y

Combine like terms: 8y + -8y = 0
-18 + -11y = 15 + 0
-18 + -11y = 15

Add '18' to each side of the equation.
-18 + 18 + -11y = 15 + 18

Combine like terms: -18 + 18 = 0
0 + -11y = 15 + 18
-11y = 15 + 18

Combine like terms: 15 + 18 = 33
-11y = 33

Divide each side by '-11'.
y = -3

Simplifying
y = -3

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