Question 876193
5(3x + 4) = 15

5 * 3x = 15x

5 * 4 = 20

15x + 20 = 15

Subtract 20 from each side of the equation.

15x + 20 - 20 = 15 - 20

Combine like terms:

20 - 20 = 0

15 - 20 = -5

15x = -5

Divide each side by 15

15x/15 = -5/15

x = -1/3




Answer:

x = -1/3