10y+3-9y+3=15

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


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

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

Combine like terms: 3 + 3 = 6
6 + 10y + -9y = 15

Combine like terms: 10y + -9y = 1y
6 + 1y = 15

Solving
6 + 1y = 15

Solving for variable 'y'.

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

Add '-6' to each side of the equation.
6 + -6 + 1y = 15 + -6

Combine like terms: 6 + -6 = 0
0 + 1y = 15 + -6
1y = 15 + -6

Combine like terms: 15 + -6 = 9
1y = 9

Divide each side by '1'.
y = 9

Simplifying
y = 9

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