-6.9(2y+4)-1.2(3y-6)=

Solution for -6.9(2y+4)-1.2(3y-6)= equation:

Simplifying
-6.9(2y + 4) + -1.2(3y + -6) = 0

Reorder the terms:
-6.9(4 + 2y) + -1.2(3y + -6) = 0
(4 * -6.9 + 2y * -6.9) + -1.2(3y + -6) = 0
(-27.6 + -13.8y) + -1.2(3y + -6) = 0

Reorder the terms:
-27.6 + -13.8y + -1.2(-6 + 3y) = 0
-27.6 + -13.8y + (-6 * -1.2 + 3y * -1.2) = 0
-27.6 + -13.8y + (7.2 + -3.6y) = 0

Reorder the terms:
-27.6 + 7.2 + -13.8y + -3.6y = 0

Combine like terms: -27.6 + 7.2 = -20.4
-20.4 + -13.8y + -3.6y = 0

Combine like terms: -13.8y + -3.6y = -17.4y
-20.4 + -17.4y = 0

Solving
-20.4 + -17.4y = 0

Solving for variable 'y'.

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

Add '20.4' to each side of the equation.
-20.4 + 20.4 + -17.4y = 0 + 20.4

Combine like terms: -20.4 + 20.4 = 0.0
0.0 + -17.4y = 0 + 20.4
-17.4y = 0 + 20.4

Combine like terms: 0 + 20.4 = 20.4
-17.4y = 20.4

Divide each side by '-17.4'.
y = -1.172413793

Simplifying
y = -1.172413793