Question

A system of equations is given below:
y = 4x – 3
2x + 7y = 41
Which of the following steps could be used to solve by substitution? (4 points)
2(y = 4x – 3) + 7y = 41
4x – 3 = 2x + 7y
2x + 7(4x – 3) = 41
2(y = 4x – 3)

Answer 1

to solve by substitution:

2x + 7 (4x-3) = 41