Question

3x + 2y = 8
5x + 2y = 12

Answer 1

Explanation:

to solve simultaneously

subtract the 1st equation from the 2nd.

5x + 2y = 12

3x + 2y = 8

5x - 3x + 2y - 2y = 12 - 8

2x = 4

x = 4 / 2

x = 2.