-21y+2(4y+3)=6+6y

Solution for -21y+2(4y+3)=6+6y equation:

Simplifying
-21y + 2(4y + 3) = 6 + 6y

Reorder the terms:
-21y + 2(3 + 4y) = 6 + 6y
-21y + (3 * 2 + 4y * 2) = 6 + 6y
-21y + (6 + 8y) = 6 + 6y

Reorder the terms:
6 + -21y + 8y = 6 + 6y

Combine like terms: -21y + 8y = -13y
6 + -13y = 6 + 6y

Add '-6' to each side of the equation.
6 + -6 + -13y = 6 + -6 + 6y

Combine like terms: 6 + -6 = 0
0 + -13y = 6 + -6 + 6y
-13y = 6 + -6 + 6y

Combine like terms: 6 + -6 = 0
-13y = 0 + 6y
-13y = 6y

Solving
-13y = 6y

Solving for variable 'y'.

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

Add '-6y' to each side of the equation.
-13y + -6y = 6y + -6y

Combine like terms: -13y + -6y = -19y
-19y = 6y + -6y

Combine like terms: 6y + -6y = 0
-19y = 0

Divide each side by '-19'.
y = 0

Simplifying
y = 0