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loris [4]
2 years ago
11

-4(1 -6b) - 5 ( 2b - 6)= 8b - 7b

Mathematics
2 answers:
Citrus2011 [14]2 years ago
5 0
The answer is b=-2  Hope that helps!!                           
aksik [14]2 years ago
4 0
-4(1-6b)-5(2b-6)=8b-7b

We move all terms to the left:

-4(1-6b)-5(2b-6)-(8b-7b)=0

We add all the numbers together, and all the variables

-4(-6b+1)-5(2b-6)-(+b)=0

We multiply parentheses

24b-10b-(+b)-4+30=0

We get rid of parentheses

24b-10b-b-4+30=0

We add all the numbers together, and all the variables

13b+26=0

We move all terms containing b to the left, all other terms to the right

13b=-26

b=-26/13

b=-2

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Square root of 36 is 6

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Romashka [77]

Answer:

1. Right: pointing downwards

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2. Right: pointing upwards

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Step-by-step explanation:

When the leading coefficient is negative the equation will either open downwards or the y-values will decrease as the x-values increase. The opposite is true for when the leading coefficient is positive. When the degree is odd one end will point downwards while the other points upwards. When the degree is even, both ends point in the same direction.

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