6y-3(y-3)7=

Solution for 6y-3(y-3)7= equation:

Simplifying
6y + -3(y + -3) * 7 = 0

Reorder the terms:
6y + -3(-3 + y) * 7 = 0

Reorder the terms for easier multiplication:
6y + -3 * 7(-3 + y) = 0

Multiply -3 * 7
6y + -21(-3 + y) = 0
6y + (-3 * -21 + y * -21) = 0
6y + (63 + -21y) = 0

Reorder the terms:
63 + 6y + -21y = 0

Combine like terms: 6y + -21y = -15y
63 + -15y = 0

Solving
63 + -15y = 0

Solving for variable 'y'.

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

Add '-63' to each side of the equation.
63 + -63 + -15y = 0 + -63

Combine like terms: 63 + -63 = 0
0 + -15y = 0 + -63
-15y = 0 + -63

Combine like terms: 0 + -63 = -63
-15y = -63

Divide each side by '-15'.
y = 4.2

Simplifying
y = 4.2