Respuesta :

3(5-2h)+9=-30
15-6h+9=-30
24-6h=-30
-6h=-54
h= 9
3(5-2h)+9=-30
Multiply the number outside of the parenthesis with the numbers inside the parenthesis
15-6h+9=-30
Subtract 15 from both sides
-6h+9=-45
Subtract 9 from both sides
-6h=-54
Divide -6 on both sides
Final Answer: 9