y+78=2y

Solution for y+78=2y equation:

Simplifying
y + 78 = 2y

Reorder the terms:
78 + y = 2y

Solving
78 + y = 2y

Solving for variable 'y'.

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

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

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

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

Add '-78' to each side of the equation.
78 + -78 + -1y = 0 + -78

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

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

Divide each side by '-1'.
y = 78

Simplifying
y = 78