5y+2y-78=

Solution for 5y+2y-78= equation:

Simplifying
5y + 2y + -78 = 0

Reorder the terms:
-78 + 5y + 2y = 0

Combine like terms: 5y + 2y = 7y
-78 + 7y = 0

Solving
-78 + 7y = 0

Solving for variable 'y'.

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

Add '78' to each side of the equation.
-78 + 78 + 7y = 0 + 78

Combine like terms: -78 + 78 = 0
0 + 7y = 0 + 78
7y = 0 + 78

Combine like terms: 0 + 78 = 78
7y = 78

Divide each side by '7'.
y = 11.14285714

Simplifying
y = 11.14285714