How do you get the answer for 4x + 1 +5x = 64

1 answer:

4 0

First the answer is 7 but how you get it is
refine 4x+1+5x: 9x+1 and that turns into 9x+1=64
then 9x+1-1=64-1
next you do 9x/63 and that gives you 7

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According to the question,

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As we know , the opposite sides of rectangle are equal

If we locate these coordinates in our graph and join them

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