Question

2x+y = 23 3x-y = 19​

Answer 1

By substitution method

y=23+2x

3x-y=19

(substitute for y)

3x-(23-2x)=19 (solve equation)

x= 42/5

(put in the value of x)

y=23-2(42/5) (solve the equation)

y= 31/5

so,

x = 42/5 and y = 31/5