Question

solve the following simultaneously equation 5x-6y+30=0 ; 5x+4y-20=0

Answer 1

Answer:

Step-by-step explanation:

5x-6y=-30...eq 1

And

5x+4y=20.. eq2

Now on subtract eq 1 from eq 2

5x+4y=20

5x-6y=-30

- + = +

....................

10y=50

Y=5...

Put the value of y in eq 2

5x+4y=20

5x+4×5=20

5x=20-20

x=0