15y-2=78-y

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Solution for 15y-2=78-y equation:


Simplifying
15y + -2 = 78 + -1y

Reorder the terms:
-2 + 15y = 78 + -1y

Solving
-2 + 15y = 78 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
-2 + 15y + y = 78 + -1y + y

Combine like terms: 15y + y = 16y
-2 + 16y = 78 + -1y + y

Combine like terms: -1y + y = 0
-2 + 16y = 78 + 0
-2 + 16y = 78

Add '2' to each side of the equation.
-2 + 2 + 16y = 78 + 2

Combine like terms: -2 + 2 = 0
0 + 16y = 78 + 2
16y = 78 + 2

Combine like terms: 78 + 2 = 80
16y = 80

Divide each side by '16'.
y = 5

Simplifying
y = 5

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