3(-1)+2(-7)=y

Solution for 3(-1)+2(-7)=y equation:

Simplifying
3(-1) + 2(-7) = y

Multiply 3 * -1
-3 + 2(-7) = y

Multiply 2 * -7
-3 + -14 = y

Combine like terms: -3 + -14 = -17
-17 = y

Solving
-17 = 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.
-17 + -1y = y + -1y

Combine like terms: y + -1y = 0
-17 + -1y = 0

Add '17' to each side of the equation.
-17 + 17 + -1y = 0 + 17

Combine like terms: -17 + 17 = 0
0 + -1y = 0 + 17
-1y = 0 + 17

Combine like terms: 0 + 17 = 17
-1y = 17

Divide each side by '-1'.
y = -17

Simplifying
y = -17