Question

X + y = 3

2x + 2y = 6

Substitution method

hint: solve for x first in the first equation by substituting it

Answer 1

Infinitely many solutions

Explanation:

x+y=3

2x+2y=6

x=3-y

2(3-y)+2y=6

6-2y+2y=6

6+0=6

6=6

infinitely many solutions