Mathematics, 05.05.2020 22:16, yasarhan2

For the following system, use the second equation to make a substitution for x in the first equation.
3x + 2y = 7

x - y + 3 = 0

What is the resulting equation?

3y - 3 + 2y = 7
3(y - 3) + 2y = 7
3x - y - 3 + 2y = 7

Answers: 2

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For the following system, use the second equation to make a substitution for x in the first equation...