A variable needs to be eliminated to solve the system of equations below. Choose the correct first step.

1 answer:

6 0

reeeeeeeeeeeeeeeeeeeeeeee

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Leona [35]

Answer:

The percent increase is 100%

Step-by-step explanation:

The original cost of the video games is $25. They sell them for $50.

8 0

2 years ago

nika2105 [10]

Answer: 8

Step-by-step explanation:

$\frac{180(n-2)}{n}=135\\180(n-2)=135n\\180n-360=135n\\-360=-45n\\n=\boxed{8}$

3 0

1 year ago

snow_lady [41]

6 1/10

Step-by-step explanation:

4 + 1/2+1+3/5

5+1+1/10=6 1/10

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3 years ago

saul85 [17]

6(y-1)-9=-5(-3y+5)-3y
6y-6-9=15y-25-3y
6y-15=12y-25
+15. +15
6y=12y-25
+12y +12y
18y=-25
÷18. ÷18
y=-1.38
or -1 19/50

8 0

2 years ago

Natali [406]

(9.is 12 and 2)cghcjgcmhgcghccgckghc

3 0

2 years ago