4-1(y+3)=10

Solution for 4-1(y+3)=10 equation:

Simplifying
4 + -1(y + 3) = 10

Reorder the terms:
4 + -1(3 + y) = 10
4 + (3 * -1 + y * -1) = 10
4 + (-3 + -1y) = 10

Combine like terms: 4 + -3 = 1
1 + -1y = 10

Solving
1 + -1y = 10

Solving for variable 'y'.

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

Add '-1' to each side of the equation.
1 + -1 + -1y = 10 + -1

Combine like terms: 1 + -1 = 0
0 + -1y = 10 + -1
-1y = 10 + -1

Combine like terms: 10 + -1 = 9
-1y = 9

Divide each side by '-1'.
y = -9

Simplifying
y = -9