Answer:
Step-by-step explanation:
We have the equation 19 - s = 13, and are asked to determine whether s = -6 fits in.
To solve, we need to isolate "s", do as followed and subtract 19 from both sides :
s = -6
Since this is equal to what the question is asking, yes s = -6 is correct.
Answer:
Assuming you want to simplify it:
8h-6f is your answer
Step-by-step explanation:
5x - 9 = -30
"Nine less than" means - 9
"Five times a number" means 5*unknown number = 5x
Answer:
perimeter = 3y + 7 cm
Step-by-step explanation:
perimeter = y + y + y + 5 = 3y + 7 cm