Question

Solve the given system by the substitution method. If there is no solution or an infinite number of​ solutions, so state. Use set notation to express solution sets.

x+3y=14
4x+5y=35

Answer 1

x=5, y=3

Explanation:

1) x+3y=14,4x+5y=35

2) x+3y=14

3) x=-3y+14

4) 4(-3y+14)+5y=35

5) -12y+56+5y=35

6) -7y+56=35

7) -7y=-21

8) y=3

9) x=-3\times 3+14

10) x=-9+14

11) x=5

finale and last : x=5,y=3 ✅