6y-15+2y+13=42

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Solution for 6y-15+2y+13=42 equation:


Simplifying
6y + -15 + 2y + 13 = 42

Reorder the terms:
-15 + 13 + 6y + 2y = 42

Combine like terms: -15 + 13 = -2
-2 + 6y + 2y = 42

Combine like terms: 6y + 2y = 8y
-2 + 8y = 42

Solving
-2 + 8y = 42

Solving for variable 'y'.

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

Add '2' to each side of the equation.
-2 + 2 + 8y = 42 + 2

Combine like terms: -2 + 2 = 0
0 + 8y = 42 + 2
8y = 42 + 2

Combine like terms: 42 + 2 = 44
8y = 44

Divide each side by '8'.
y = 5.5

Simplifying
y = 5.5

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