3 years ago

I need help solving and checking algerbryically

1 answer:

8 0

X-y=1 --> x=1+y
plug it into the first equation
3(1+y) + 2y = 8
3+3y+2y=8
5y=5
y=1
plug y into the equation to solve for x
x=1+y
x=1+1
x=2

You might be interested in

sammy [17]

Answer:

snsnbsjskksnsnanammanz xnzkmz

5 0

3 years ago

Zinaida [17]

:
5
:
3x+2=17
-2 -2
3x=15
/3 /3
x=5

5 0

3 years ago

Veronika [31]

Answer:

Choice a: $x>5$

Step-by-step explanation:

All you have to do on this one is add the 7 on both sides.

$x-7>8\\x>5$

So the answer is anything greater than 5.

7 0

3 years ago

e-lub [12.9K]

Answer:

10: 1

Step-by-step explanation:

We have to make the dogs art of the ratio equal first.

5:3>30:18

6:1> 180: 30

After this we have to simplify the ratio.

Cats to fish is 180:18 (divide by 2) 90:9 (then by 3) 30 : 3 (and finally by 3 again) 10 : 1

4 0

3 years ago

tatuchka [14]

Answer:

You would need 9

Step-by-step explanation:

Multiply 1/2 by 4 1/2 and you get 8 and 1/2 as remander put that into it and you get 9

3 0

3 years ago