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eimsori [14]
3 years ago
10

X + 7y = 21

Mathematics
2 answers:
Flauer [41]3 years ago
8 0

Answer:

i am sorry but i don't know this answer

Step-by-step explanation:

Ket [755]3 years ago
7 0

Answer:

x=21−7y?

Step-by-step explanation:

I don't really know what else to do

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Use the slope formula to find the slope of the line through the points (−3,−6) and (0,3).
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Slope= y/x so first let’s find the difference in the y coordinates. -6 and 3. -6 + 9= 3
So far we have 9/x, now on to the x coordinates. -3 and 0, -3 + 3 = 0
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now simplify and the slope is 3
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When can you say that there is no solution for a system of linear equation
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Answer:

You can say there is no solution for a system of linear equation when the graphs are PARALLEL to each other.

ONE solution: when both lines intersect at one point

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Step-by-step explanation:

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