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Delicious77 [7]

2 years ago

6

Simplify -(2x-3)+7-4x

1 answer:

storchak [24]2 years ago

3 0

-6x + 10 is the answer!!!!

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Find out what number the X represents <br>7x -9 = 5<br>

BigorU [14]

I have worked it out the answer equals 2

8 0

2 years ago

Mia has $20 dollars less than Brandi. Brandi has d dollars. Wite a variable expression for the amount of money Mia has

blagie [28]

D-20 would be the variable expression for the amount of money Mia has.

3 0

3 years ago

Read 2 more answers

-8x – 14 = 7(-2 - 4x) + 4x<br> what is

Andru [333]

Answer:

<h2>x = 0</h2>

Step-by-step explanation:

$-8x-14=7(-2-4x)+4x\qquad\text{use the diastributive property}:\ a(b+c)=ab+ac\\\\-8x-14=(7)(-2)+(7)(-4x)+4x\\\\-8x-14=-14-28x+4x\qquad\text{add 14 to both sides}\\\\-8x-14+14=-14+14-24x\\\\-8x=-24x\qquad\text{add}\ 24x\ \text{to both sides}\\\\-8x+24x=-24x+24x\\\\16x=0\qquad\text{divdie btoh sides by 16}\\\\\dfrac{16x}{16}=\dfrac{0}{16}\\\\x=0$

8 0

3 years ago

Here are the fuel efficiencies (in mpg) of 15 new cars.

alexira [117]

Answer:

$60 \%$

Step-by-step explanation:

Among the 15 cars ,only 9 cars with a fuel efficiency less than 32 mpg :

27,22,18,23 , 30 , 19,16,28,21

$\text{the percentage} =\frac{9}{15} \times 100=60 \%$

4 0

2 years ago

How would i solve this?

stiv31 [10]

Step-by-step explanation:

step 1. I assume i is imaginary

step 2. i^2 = -1, i^3 = -i, i^4 = 1, i^5 = I. . . . and so on

step 3. i - 1 - i + 1 + i - 1 - i + 1 + i - 1

step 4. the result is i - 1.

6 0

3 years ago