Question

The point (0, -3.5) lies on the line 11x – 6y = 21. Determine if this point is a solution of the system
11x – 6y = 21

9x + 8y = 43

Answer 1

substitude the values it satisfies the equation so it is a solution

Answer 2

u want to clear explanation?

Answer 3

. means multiplcation in notation 11.0-(-) 6.7/2=0-(-)21=21

Answer 4

x=0 y=7/2 substitude