-2.6-7.9=y

Solution for -2.6-7.9=y equation:

Simplifying
-2.6 + -7.9 = y

Combine like terms: -2.6 + -7.9 = -10.5
-10.5 = y

Solving
-10.5 = 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.
-10.5 + -1y = y + -1y

Combine like terms: y + -1y = 0
-10.5 + -1y = 0

Add '10.5' to each side of the equation.
-10.5 + 10.5 + -1y = 0 + 10.5

Combine like terms: -10.5 + 10.5 = 0.0
0.0 + -1y = 0 + 10.5
-1y = 0 + 10.5

Combine like terms: 0 + 10.5 = 10.5
-1y = 10.5

Divide each side by '-1'.
y = -10.5

Simplifying
y = -10.5