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3 years ago

8

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 y

ou add these equations

1 answer:

umka2103 [35]3 years ago

7 0

Answer:

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

Step-by-step explanation:

You will get:

2x+9y=28

9x-9y=42

Add them to get:

11x=70.

You can solve from there.

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Arte-miy333 [17]

Answer:

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Step-by-step explanation:

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3 years ago

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kkurt [141]

Answer:

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Step-by-step explanation:

The mnemonic SOH CAH TOA expresses the relationships you need for answering these questions.

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Step-by-step explanation:

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Step-by-step explanation:

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