alexis6464 alexis6464

19-12-2020
Mathematics

contestada

how many solutions does the following system have?
7x+5y=4; -21x-15y=-12

a)infinitely many solutions
b)one solution
c)two solutions
d)no solutions

Respuesta :

19-12-2020

Answer:

Step-by-step explanation:

we can observe that the second equation is the product of the first equation and -3

there will be infinitely many solutions

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