Question

5x + 3y =-11 : 2x + 4y =-10 Solve the simultaneous

Answer 1

5x+3y=-11........eq.1

2x+4y=-10.........eq.2

By elimination method....

Let eq. 1 is multiply by 2 and eq. 2nd is multiply by 5.

Now,

2{5x+3y=-11}
5{2x+4y=-10}

By subtracting....

10x+6y=-22
10x+20y=-50
- - +
…..........................
-14y=28

y=28/-14=-2

Now , by putting the value of y in eq. 1

5x+3y=-11

5x+3(-2)=-11

5x-6=-11

5x=-11+6

5x=-5

x=-5/5=-1. Ans


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Answer 2

Answer:

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