4 that’s the answer I think
Answer:
b=-1
Step-by-step explanation:
3(b+2)+2(b-3)=-5
3b+6+2b-6=-5
5b=-5
b=-1
Answer:
A = P ( 1+ r )^t ... Compound Interest
I = Prt ... Simple interest
Answer:
Substitution
Step-by-step explanation:
Subtitue x=3 into the second equation
y=2(3)+1
y=6+1
y=7
Answer:
the number of cups is kept within other till the cups reach reach 50cm
x=number of cups
y= height of the cups when placed on each other
so the equation would be ; x + y=50
Step-by-step explanation:
mark brainliest
