Question

11x+5y=9
11x+3y=1
It's simutanios equation substitution​

Answer 1

(-1, 4)

Explanation:

11x+5y=9

11x+3y=1

subtract side-by-side

• 5y-3y= 9-1
• 2y=8
• y=4
• 11x+20=9
• 11x= -11
• x=-1