(3+y)-40=7y

Solution for (3+y)-40=7y equation:

Simplifying
(3 + y) + -40 = 7y

Remove parenthesis around (3 + y)
3 + y + -40 = 7y

Reorder the terms:
3 + -40 + y = 7y

Combine like terms: 3 + -40 = -37
-37 + y = 7y

Solving
-37 + y = 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
-37 + y + -7y = 7y + -7y

Combine like terms: y + -7y = -6y
-37 + -6y = 7y + -7y

Combine like terms: 7y + -7y = 0
-37 + -6y = 0

Add '37' to each side of the equation.
-37 + 37 + -6y = 0 + 37

Combine like terms: -37 + 37 = 0
0 + -6y = 0 + 37
-6y = 0 + 37

Combine like terms: 0 + 37 = 37
-6y = 37

Divide each side by '-6'.
y = -6.166666667

Simplifying
y = -6.166666667