Question

Solve for x and you:
2x + 3y = 9; 4x + 6y =15​

Answer 1

2x+3y=9

=2x+3y/3=9/3

=2x+y/2=3/2

=x+y-y=3/2-y

=x=3/2-y

4x+6y=15

=4x+6y/6=15/6

=4x+y/4=5/2

=x+y=5/2*4/1

=x+y=5*4

=x+y-y=20-y

=x=20-y