Question

Solve the simultaneous equation:
6x+y=29
3x-y=7

Answer 1

x=4

y= 5

Explanation:

6x+y=29

3x-y=7

Let's add them together

9x = 36

x= 4

Then put 4 back in the equation for x

6(4) + y =29

24 + y = 29

y= 5