5x+2y=11 4x-3y=18

the question asks to solve the simultanious equations:

5x+2y=11

4x-3y=18
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1 Answer

5x + 2y= 11....... multiply by 3

4x-3y=18.......multiply by 2

15x+6y=33

8x-6y=36

+6-6=0

23x+0y=69

23x=69

69/23=3

x=3

SUBSITUTE

4 times 3-3y=18

12-3y=18

-3y=6

y=-2

 

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