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vagabundo [1.1K]
3 years ago
14

Help, please..................

Mathematics
1 answer:
sesenic [268]3 years ago
7 0

Answer:

9

Step-by-step explanation:

9

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Read 2 more answers
−4+bx=2x+3(x+1) In the equation shown above, b is a constant. For what value of b does the equation have no solutions?
Likurg_2 [28]

Answer:

b=5

Step-by-step explanation:

−4+bx=2x+3(x+1)  (expand parenthesis first, i.e PEDMAS)

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−4 + bx = 5x + 3   (move all x terms to one side and constants to another)

5x - bx = - 4 -3

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x = -7 / (5-b)

we can see that 5-b is in the denominator. Recall that for a fraction, the denominator cannot be zero otherwise the expression is undefined. (i.e no solutions)

hence the  expression is undefined if,

(5-b) = 0

or b = 5

7 0
2 years ago
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