3 years ago

How do I solve 3x-y=15

1 answer:

4 0

Okay, 3x just means 3•x. so 3•x-y=15. you would have to have what x and y both mean to get the correct answer. but if they just need it simplified than your answer would be 3•x-y=15

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jeka57 [31]

I hope this helps you

6 0

3 years ago

Need help like right now.

denpristay [2]

Let's go:

Big triangle:

12 + 3x - 6 = 3x + 6

10 + 8 = 18

$\frac{10}{18} = \frac{3x - 6}{3x + 6} \\\\ 10.(3x + 6) = 18.(3x - 6) \\\ 30x + 60 = 54x - 108 \\\ 54x - 30x = 60 + 108 \\\ 24x = 168 \\\ x = 7$

I hope I helped you.

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4 years ago

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pychu [463]

The most reasonable anwer would probably be D

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3 years ago

7 divided by 982 long division

Ne4ueva [31]

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Step-by-step explanation:

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3 years ago

I need the answer please!!!!!!!<br><br><br><br> Solve: -2(x+4)-1=3(x-2)+4

spin [16.1K]

Answer: x= -7/5 procedure: -2x-8-1=3x-6+4 -2x-9=3x-2 -2x-3x= -2+9 -5x= 7 answer: x= -7/5

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3 years ago