Question

Solve the equations by substitution
Y=3x-4
Y=x+2

Answer 1

x = 3, y = 5.

Explanation:

Substitute y = 3x - 4 in y = x + 2

3x - 4 = x + 2

2x = 6

x = 3

Plug this into the first equation:

y = 3(3) - 4

y = 5.

Check in the second equation:

5 = 3 + 2

5 = 5.

Answer 2

x=3 y=5

Explanation: