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muminat
2 years ago
10

2(4x + 3) = 2(18 - x)

Mathematics
2 answers:
almond37 [142]2 years ago
5 0
The answer is x=3 hope this helps
Jlenok [28]2 years ago
3 0

Answer:

x = 3

Step-by-step explanation:

2(4x + 3) = 2(18 - x) \\ 8x + 6 = 36   -   2x \\ 8x  + 2x = 36 - 6 \\  10x = 30 \\ x =  \frac{30}{10}  \\ x = 3

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One more than three times a number is the same as four less than double a number
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3x + 1 = 2x - 4.  x = -5

Step-by-step explanation:

3 0
3 years ago
Can i please get help with this Question?
sashaice [31]

So firstly, I'm going to be converting the mixed number into an improper fraction. To do this, multiply the whole number by the denominator and then add that product with the numerator and that will be your new numerator. In this case:

3 × 8 = 24, 24 + 3 = 27. \frac{-27}{8}

Now since they have the same denominator, you can subtract the numerators.

\frac{-27}{8}-\frac{7}{8}=\frac{-34}{8}

Now simplify the number as such:

\frac{-34}{8}\div\frac{2}{2}=\frac{-17}{4}

<u>In short, your answer is -17/4, or -4 1/4.</u>

3 0
3 years ago
                                                      NEED HELP??
vfiekz [6]
The simple interest formula is A = P(1 + rt) in which A is the total of money after interest, P is your principal (starting) amount, r is the interest rate, and t is the amount of time. 
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<span>For 2), add your interest and principal amount, then plug in your variables to get 676 = 520(1 + 5r). Distribute to get 676 = 520 + 2600r. Subtract 520 from 676 to get 156 = 2600r, then divide both sides by 2600 to get a rate of 0.06, or 6%. 

For 3), add your interest and principal amount, then plug in your variables to get 1599 = 1300(1 + 5.75t). Distribute to get 1599 = 1300 + 7475t. Subtract 1300 from both sides to get 299 = 7475t, and then divide both sides by 7475 to get .04 = t, or a time period of four years. 

The other two problems can be solved using the formula and steps described above. If you still need help with them, leave a comment and I will solve those as well. </span>
8 0
2 years ago
Read 2 more answers
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Rashid [163]

Answer: y= -1/2x + 3.5

Step-by-step explanation:

y=mx+b

Y-3= -1/2(x-1)

y-3= -1/2x+1/2

  +3      +3

y= -1/2x + 3.5

5 0
3 years ago
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