Question

Solve these simultaneous equations to find x and y.

Solve
4x+y=52
2x-y=20

Answer 1

simply add the two equations to find x:

4x+y=52

+

2x-y=20

____________

6x=72 => x=72/6=12

the put x in one of the equations to find y:

4(12)+y=52 => y=52-48=4