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what is the first step used in solving this equation 2x+9y=28 and 3x-3y=14. Identify the variable that will be solved for when you add these equations

2 Answers

7 votes

Answer:

a

Explanation:

User Stwalkerster
by
5.1k points
2 votes

Answer:

Multiply the second equation's terms by 3. Solve for x.

Explanation:

You will get:

2x+9y=28

9x-9y=42

Add them to get:

11x=70.

You can solve from there.

User Lloydworth
by
5.6k points
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