3y-78=y-10

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Solution for 3y-78=y-10 equation:


Simplifying
3y + -78 = y + -10

Reorder the terms:
-78 + 3y = y + -10

Reorder the terms:
-78 + 3y = -10 + y

Solving
-78 + 3y = -10 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
-78 + 3y + -1y = -10 + y + -1y

Combine like terms: 3y + -1y = 2y
-78 + 2y = -10 + y + -1y

Combine like terms: y + -1y = 0
-78 + 2y = -10 + 0
-78 + 2y = -10

Add '78' to each side of the equation.
-78 + 78 + 2y = -10 + 78

Combine like terms: -78 + 78 = 0
0 + 2y = -10 + 78
2y = -10 + 78

Combine like terms: -10 + 78 = 68
2y = 68

Divide each side by '2'.
y = 34

Simplifying
y = 34

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