Question

solve the equation graphically 3 X + 4 Y is equals to 10 and 4 x minus 3 Y is equals to 5​

Answer 1

Answer:

x=2 , y=1

Step-by-step explanation:

3x+4y=10....eq1

4x-3y=5......eq2

by multiple 3 in eq1 and 4 in eq2

=3(3x+4y=10)

4(4x-3y=5)

=9x+12y=30

16x-12y=20

by cutting +12y with -12y we get

9x+16x=30+20

25x=50

x=50/25

x=2

putting the value of x in eq1

3x+4y=10

3(2)+4y=10

6+4y=10

4y=10-6

4y=4

y=4/4

y=1