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Wittaler [7]
4 years ago
6

2×-1=7 solve what is it ??????

Mathematics
1 answer:
QveST [7]4 years ago
7 0

Answer:

x = 4

Step-by-step explanation:

2x - 1 = 7

2x = 7 + 1

2x = 8

x = 8/2

x = 4

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What values of the variable cannot possibly be solutions for the given equation, without actually solving the equation?
Ne4ueva [31]

Answer:

the solution to the equation is 8.  Any value apart from 8 is not a solution

Step-by-step explanation:

Given the equation

6/3x+2 - 1/x-4 = 0

6/3x+2 = 1/x-4

Cross multiply

6(x-4) = 3x+2

6x - 24 = 3x+2

6x-3x = 2 + 24

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Hence the solution to the equation is 8.  Any value apart from 8 is not a solution

6 0
3 years ago
Determine whether each statement about the system of the two linear equations is true or false:
Ostrovityanka [42]

Answer:

1 is false

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Step-by-step explanation:

y-33=-2

y-33+32=-2+33

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31+2=3x-2+2

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graph of y=-3x-2... y=31 would be a horizontal line on 33 at the y axis

5 0
3 years ago
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3 years ago
The number of books and authors signed for a three day. Friday 10 Saturday 21 Sunday 25 if she received $20.50 from her publishe
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"

$20.50×3 days will give you $61.5

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