Question

Solve the following pairs of linear equations by the method of elimination :

1.5x+4y=4; 11x +9y=4

2. 6x-5y-10;-13x+11--20

3.x-2y=14;y=5

4.3x-6y-9;-2x+4y= 12

5. 2x+5y+2-38; 3x-2y+4=17;-6x+y-7:=-12

6. 3x-92-33; 7x-4y-z-15; 4x+6y+5=-6

7. x+y+z=2; 6x-4y+52-31; 5x+2y+2-13

8. x+2y-2-4; 2x+y+z-2x+2y+z=2
9. x= 32-5; 2x+2y+16; 7x-52-3y+19

10. 4x+9y8; 8x+62-1; 6y+62-1​

Answer 1

Step-by-step explanation:

the value of x=20

the value of y=-24