Question

substitution method. please help me​

Answer 1

Answer

2x+3y=7 ⇒      2x=7-3y ⇒ x=7-3y/2

6x-7y=5

6(7-3y/2)-7y=5

⇒21-9y-7y=5

⇒21-16y=5

⇒16=16y

y=1

x=7-3y/2

 =7-3/2

 2

x=2

y=1