Question

Solve each system of equation. x + y = 43x – 2y = 7​

Answer 1

X equals 3 y equals 1

Answer 2

eliminating y

x + y = 4 .......... x 2

3x - 2y = 7 ...... x 1

2x + 2y = 8

3x - 2y = 7

_________ +

5x = 15

x = 3

substitute

x + y = 4

3 + y = 4

y = 1

.

.

x = 3 and y = 1