(-42+-4)+7+-3=y

Solution for (-42+-4)+7+-3=y equation:

Simplifying
(-42 + -4) + 7 + -3 = y

Combine like terms: -42 + -4 = -46
(-46) + 7 + -3 = y
-46 + 7 + -3 = y

Combine like terms: -46 + 7 = -39
-39 + -3 = y

Combine like terms: -39 + -3 = -42
-42 = y

Solving
-42 = y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
-42 + -1y = y + -1y

Combine like terms: y + -1y = 0
-42 + -1y = 0

Add '42' to each side of the equation.
-42 + 42 + -1y = 0 + 42

Combine like terms: -42 + 42 = 0
0 + -1y = 0 + 42
-1y = 0 + 42

Combine like terms: 0 + 42 = 42
-1y = 42

Divide each side by '-1'.
y = -42

Simplifying
y = -42