Answer:

Step-by-step explanation:




Answer:
dont really know buy im thinking its A.
Step-by-step explanation:
hope this helps somewhat
Answer:
Step-by-step explanation:
Poste uma foto do problema plss
<u> 3c³d </u> = <u>c²d²</u>
9cd^-1 3
I would use subsitution
y=x-7
sub x-7 for every x
5x+2(x-7)=14
5x+2x-14=14
add 14 to both sides
7x=28
divide both sides by 7
x=4
sub
y=x-7
y=4-7
y=-3
x=4
y=-3
(4,-3)