raut86719 raut86719

04-03-2021
Mathematics

contestada

finds the value of x and Y.
2x+3y=5
X-2y=-1

Respuesta :

ncalalwazi89 ncalalwazi89

04-03-2021

Answer:

x=1

y=1

Step-by-step explanation:

2x+3y=5.........eq1

x-2y=-1........eq2

therefore: x=-1+2y

Subt. eq 3 into eq2

2x+3y=5

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

-2+4y+3y=5

7y=5+2

7y/7=7/7

y=1

therefore: Subt. y=1 into eq2

x-2y=-1

x-2(1)=-1

x-2=-1

x=-1+2

x=1

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