A system of equations is given below:

y = 3x + 4

2x + 3y = 10

Which of the following steps could be used to solve by substitution?

3x + 4 = 2x+3y

2x + 3 (3x + 4) = 10

2 (3x+4) + 3y = 10

3 (y = 3x+4)

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