3: terms/ 12, 8r, -3, s, -5, 15t coefficients/ 8r, 1s, 15t
7(3r-1)-(r+5)=-52
21r-7-r-5=-52
21r-r-5-7=-52
20r-12=-52
Add 12 to both sides
20r=-40
Divide by 20
r=-2
Answer:
b
Step-by-step explanation:
cause
Answer:
-4y=40
y=-10
x-3(-10)=17
x-30=17
x=17+30
x=47
Step-by-step explanation:
Answer:
A negative number
When looking at a number line, there is a zero, but on the left, there's more numbers.
< -2 -1 0 1 2 >
I hope this helps.