9y+3=10y-15

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


Simplifying
9y + 3 = 10y + -15

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

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

Solving
3 + 9y = -15 + 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.
3 + 9y + -10y = -15 + 10y + -10y

Combine like terms: 9y + -10y = -1y
3 + -1y = -15 + 10y + -10y

Combine like terms: 10y + -10y = 0
3 + -1y = -15 + 0
3 + -1y = -15

Add '-3' to each side of the equation.
3 + -3 + -1y = -15 + -3

Combine like terms: 3 + -3 = 0
0 + -1y = -15 + -3
-1y = -15 + -3

Combine like terms: -15 + -3 = -18
-1y = -18

Divide each side by '-1'.
y = 18

Simplifying
y = 18

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