8y-1+4+7y=

Solution for 8y-1+4+7y= equation:

Simplifying
8y + -1 + 4 + 7y = 0

Reorder the terms:
-1 + 4 + 8y + 7y = 0

Combine like terms: -1 + 4 = 3
3 + 8y + 7y = 0

Combine like terms: 8y + 7y = 15y
3 + 15y = 0

Solving
3 + 15y = 0

Solving for variable 'y'.

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

Add '-3' to each side of the equation.
3 + -3 + 15y = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 15y = 0 + -3
15y = 0 + -3

Combine like terms: 0 + -3 = -3
15y = -3

Divide each side by '15'.
y = -0.2

Simplifying
y = -0.2