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fiasKO [112]
3 years ago
10

In the equation 8x - 1=3x+4 the variable x represents the same value. Which value of x is the solution of the equation x = 0 1 2

or 3 ? Explain
Mathematics
1 answer:
Nutka1998 [239]3 years ago
4 0

Answer:

x=1

Step-by-step explanation:

8x-1=3x+4

8x-1+1=3x+4+1  *You add one on both sides

8x=3x+5

8x-3x=3x-3x+5  *Then you subtract 3x by positive 3x and subtract 8x by -3x

5x=5

5x/5=5/5  *Divide both sides by 5

x=1 *An finally you get your answer

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Given: ⅓ (18x + 27) = 81 Prove: x = 12
sasho [114]

Answer:

Firstly, rewrite the equation:

⅓ (18 + 27) = 81

Substitute x for the given number of it's supposed equivalent.

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Now, solving using PEMDAS, multiply the total of what you got that was originally in the parenthesis by ⅓ .

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3 years ago
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3 years ago
How do i Solve: 3x2−6x−12=0 ?
MrMuchimi

Answer:

1 + root 5, 1 - root 5

Step-by-step explanation:

I assume you mean 3x^2-6x-12=0.

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