3 years ago

Why is (3, -5) not a solution to -x+4=-15 and -2x-3y=-8

Mathematics

2 answers:

Sergeeva-Olga [200]3 years ago

8 0

Answer:

see below

Step-by-step explanation:

Check the solution in both equation

-x+4 = -15

-3 +4 = -15

1 does not equal -15 so it is not a solution

-2x-3y = -8

-2(3)+-3(-5) = -8

-6 +15 = -8

9 = -8

It is not a solution to either equation

wlad13 [49]3 years ago

4 0

Step-by-step explanation:

-x+4y= -15

-2x-3y=-8

the intersection point isn't (3,-5)

it's approximately (-1.1818 ,3.45455 )

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