Question

2x+3y=23
3x-y=7
Solve for x

Answer 1

x=4

y=5

Explanation:

y=3x−7

11x−21=23

x=4

y=5

Answer 2

2x + 3y = 23...........................(1)

3x - y = 7 Multiply by 3:-

9x - 3y = 21 Adding this to equation (1):-

11x = 44
x =

Plug this into equation (1):-
2(4) + 3y = 23

3y = 15
y = 5

Answer is x = 4, y = 5