Question

5x+2y=-3 ; x+5y=4
simultaneous ​

Answer 1

Answer:

5x+2y= -3 ....(1)

x+5y=4 ....(2)

Multiplying equation (2) by 5 we get,

5x+25y=20 ....(3)

Subtracting equation (1) from (3) we get,

5x+25y=20

-5x+2y= -3

(-) (-) (+)

———————

23y=23

y=1

Substituting y=1 in equation (2) we get,

x+5(1)=4

x+5=4

x=4-5

x= -1

Step-by-step explanation:

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