3+21y+4y=-24(5)-3

Solution for 3+21y+4y=-24(5)-3 equation:

Simplifying
3 + 21y + 4y = -24(5) + -3

Combine like terms: 21y + 4y = 25y
3 + 25y = -24(5) + -3

Multiply -24 * 5
3 + 25y = -120 + -3

Combine like terms: -120 + -3 = -123
3 + 25y = -123

Solving
3 + 25y = -123

Solving for variable 'y'.

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

Add '-3' to each side of the equation.
3 + -3 + 25y = -123 + -3

Combine like terms: 3 + -3 = 0
0 + 25y = -123 + -3
25y = -123 + -3

Combine like terms: -123 + -3 = -126
25y = -126

Divide each side by '25'.
y = -5.04

Simplifying
y = -5.04