y+y+3=13

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Solution for y+y+3=13 equation: 


Simplifying
y + y + 3 = 13

Reorder the terms:
3 + y + y = 13

Combine like terms: y + y = 2y
3 + 2y = 13

Solving
3 + 2y = 13

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 + 2y = 13 + -3

Combine like terms: 3 + -3 = 0
0 + 2y = 13 + -3
2y = 13 + -3

Combine like terms: 13 + -3 = 10
2y = 10

Divide each side by '2'.
y = 5

Simplifying
y = 5

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