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kramer
3 years ago
11

Solve photo question, please. :)

Mathematics
1 answer:
Fed [463]3 years ago
3 0
You wouldnt get any solutions as if you substituted them into each other you would get:
-3x - 6 = -3x + 7
the -3x cancel eachother out so you end up with 
-6 = 7 which isnt true
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3 years ago
If x/2+ 7 = 4<br> , what is the value of 5x - 7?
horrorfan [7]

Answer:

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Step-by-step explanation:

for the first equation to equal 4 the x must equal -6.

because something plus 7 had to equal 4. and we know that -3 + 7 equals 4. Now, -6 ÷ 2 equals -3 and that gives us the right answer.

So now plug -6 into the new problem so now it is

5 × (-6) - 7 so according the PEMDAS, we do 5 × -6 first which is -30. and -30 - 7 equals -37!!

hope this helps :)

5 0
2 years ago
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I suspect a typo somewhere in the murk above
8 0
1 year ago
What are some equivalent expressions of 0.003 x 0.00009
QveST [7]

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