15y-7=57-y

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Solution for 15y-7=57-y equation:


Simplifying
15y + -7 = 57 + -1y

Reorder the terms:
-7 + 15y = 57 + -1y

Solving
-7 + 15y = 57 + -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.
-7 + 15y + y = 57 + -1y + y

Combine like terms: 15y + y = 16y
-7 + 16y = 57 + -1y + y

Combine like terms: -1y + y = 0
-7 + 16y = 57 + 0
-7 + 16y = 57

Add '7' to each side of the equation.
-7 + 7 + 16y = 57 + 7

Combine like terms: -7 + 7 = 0
0 + 16y = 57 + 7
16y = 57 + 7

Combine like terms: 57 + 7 = 64
16y = 64

Divide each side by '16'.
y = 4

Simplifying
y = 4

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