10y+3-9y+5=15

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Solution for 10y+3-9y+5=15 equation:


Simplifying
10y + 3 + -9y + 5 = 15

Reorder the terms:
3 + 5 + 10y + -9y = 15

Combine like terms: 3 + 5 = 8
8 + 10y + -9y = 15

Combine like terms: 10y + -9y = 1y
8 + 1y = 15

Solving
8 + 1y = 15

Solving for variable 'y'.

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

Add '-8' to each side of the equation.
8 + -8 + 1y = 15 + -8

Combine like terms: 8 + -8 = 0
0 + 1y = 15 + -8
1y = 15 + -8

Combine like terms: 15 + -8 = 7
1y = 7

Divide each side by '1'.
y = 7

Simplifying
y = 7

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