JoeNugget JoeNugget

18-10-2021
Mathematics

contestada

Solve the simultaneous equations 3x + 2y = 10 3x - y = 13

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Ahisha0o0 Ahisha0o0

18-10-2021

Step-by-step explanation:

3x+2y=10 ----- a

3x-y=13 ----b

(b-a)

3x-y-(3x+2y)=13-10

3x-y-3x-2y=3

-3y=3

y=-1

x value from b ;

3x-y=13

3x-(-1)=13

3x+1=13

3x=12

x=4

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