Question

How to solve 3x + 2y = 20 and 2x +2y =18

By Substitution Method​

Answer 1

This is your answer

I hope help ful for you

Answer 2

Answer:

x=2

y=7

Step-by-step explanation:

18-2x=2y eqn1

sub eqn1 in 3x+2y=20

3x+2y=20

3x+18-2x=20

3x-2x=20-18

1x=2

X=2

sub x=2in 2x+2y=18

2×2+2y=18

4+2y=18

2y=18-4

2y=14

Y=7