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Which choice shows the result of substituting 3x – 5 into the second equation for y?

2(3x – 5) + 3x = 51

2x + 3(3x – 5) = 51

2(3x – 5) + 3y = 51

User Enezhadian
by
7.8k points

2 Answers

4 votes

Answer:

this one is B next one is 6 the last one is (6,13)

Explanation:

jus took test

User Shocks
by
7.9k points
4 votes

Answer: The answer is (B) 2x + 3(3x – 5) = 51 .

Step-by-step explanation: We are given three options and we are to select which choice shows the result of substituting 3x – 5 into the second equation for y.

So, y = 3x - 5.

Since the standard form of a linear equation i two variables is ax + by = c, so the second equation as given in the options must be of the form 2x + 3y = 51.

If we substitute y = 3x - 5, then this equation becomes

2x + 3(3x - 5) = 51.

Thus, (B) 2x + 3(3x – 5) = 51 is the correct option.

User Alfred Balle
by
8.2k points

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