Question

Substitution method 3x+2y=11and 2x+3y=4

Answer 1

Answer:

X=5

Y=-2

Step-by-step explanation:

3X+2y=11......1

2X+3y=4......2

EQ 1+2

5X+ 5y =15

5(X+Y) = 15

X+Y=15/5

X+Y=3

X= 3-Y ......3

Substitute EQ 3 in 2

2(3-Y)+3Y =4

6-2Y+3Y=4

6+Y=4

Y=4-6=-2

2X-6=4

2X=10

X=5