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lawyer [7]
3 years ago
6

If f(x) = 2x3 – 12x2 + 26x — 20 and X

Mathematics
1 answer:
geniusboy [140]3 years ago
4 0
Wait what? i’m sorry i don’t understand
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1) What can u do to get 2x alone on the left side?
CaHeK987 [17]

Answer:

1)

82.5 - <u>8</u><u>2</u><u>.</u><u>5</u> + 2x = 338.5 - <u>8</u><u>2</u><u>.</u><u>5</u>

<u>2</u>x = <u>2</u><u>5</u><u>6</u>

2)

2x ÷ <u>2</u> = 256 ÷ <u>2</u>

x = <u>1</u><u>2</u><u>8</u>

Step-by-step explanation:

1)

In order to get rid 82.5, you have to substract the same value on both side to get a 0 value.

2)

In order to find the value of x, you have to divide the value that is sticked with x which is 2. As you divide 2 by 2, you will get 1 as a single value of x so you have to divide 2 to both side too.

5 0
3 years ago
X*2+1=10 then x=? Tell me the value of x
Trava [24]

Answer:

<h2>4.5</h2>

Step-by-step explanation:

x \times 2 + 1 = 10

2x +  1 = 10

Move constant to R.H.S and change its sign

2x = 10 - 1

Subtract the numbers

2x = 9

Divide both sides of the equation by 2

\frac{2x}{2}  =  \frac{9}{2}

Calculate

x = 4.5

Hope this helps..

Best regards!!

6 0
3 years ago
Decompose 3/8 as the sum of unit fractions
bearhunter [10]
Unit fractions are fractions with a 1 as the numerator(number on top)
so 3/8 equals 1/8+1/8+1/8
8 0
3 years ago
A number is first increased by 20 and then doubled. The result is 2 less than 5 times
Iteru [2.4K]

i  think maybe ? x+20*2=5-2*x

8 0
2 years ago
Given: r and s are intersecting lines. Point P lies on r and s. Point Q lies on r and s , What can you conclude about P and Q? S
sasho [114]
Point p and point Q has to be the same point
7 0
3 years ago
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