3(y+7)-5y=

Solution for 3(y+7)-5y= equation:

Simplifying
3(y + 7) + -5y = 0

Reorder the terms:
3(7 + y) + -5y = 0
(7 * 3 + y * 3) + -5y = 0
(21 + 3y) + -5y = 0

Combine like terms: 3y + -5y = -2y
21 + -2y = 0

Solving
21 + -2y = 0

Solving for variable 'y'.

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

Add '-21' to each side of the equation.
21 + -21 + -2y = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -2y = 0 + -21
-2y = 0 + -21

Combine like terms: 0 + -21 = -21
-2y = -21

Divide each side by '-2'.
y = 10.5

Simplifying
y = 10.5