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zvonat [6]
3 years ago
13

What is the value of x in the equation −x = 4 − 3x + 6? 5 10 −5 −10

Mathematics
2 answers:
Vanyuwa [196]3 years ago
7 0
The answer is x=6
Hope this helps
erma4kov [3.2K]3 years ago
3 0
The answer is 5. Group the like terms add the numbers then add 3x to both sides simplify and divide both sides and simplify and you get 5.
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In an aquarium, the ratio of sharks to dolphins is 3 : 5 and the ratio of
Molodets [167]

Step-by-step explanation:

step 1: how many dolphins

there are 6 sharks

sharks to dolphins is 3 to 5

3 S to 5 D

we can divide 6 (amount of sharks known) by 3, to get what a ratio of 1 is

6 ÷ 3 = 2

so 2 sharks is = 1 part or ratio

now we can times by 5 to get a ratio of 5

5 × 2 = 10

there are 10 Dolphins

Step 2: How many starfish

repeat the steps above but for the ratio 2: 7 where 2 is the Dolfin ratio and there are 10 dolphins

put in questions answer you got

3 0
2 years ago
Read 2 more answers
Please help me with this question
vladimir1956 [14]

9514 1404 393

Answer:

  x = 7 1/3

Step-by-step explanation:

The smaller triangle is 6/9 = 2/3 the size of the larger triangle, so the left side is ...

  (x -2) = (2/3)(8)

  3(x -2) = 16 . . . . . multiply by 3 to clear fractions

  3x -6 = 16 . . . . . . eliminate parentheses

  3x = 22 . . . . . . . . add 6; next divide by 3*

  x = 22/3 = 7 1/3 . . . . . feet

_____

* Note that we multiplied by 3, then divided by 3. If you're comfortable working with fractions and/or mixed numbers, these steps are unnecessary. The answer is simply x = 2 + 16/3 = 22/3.

7 0
3 years ago
Please help me.
mart [117]

Since they are similar both dimensions would have the same ratio. The ratio of 5 and 15 is 3. 15 is 3 times larger than 5, so the unknown dimension is 3 times larger than the known dimension.

3 x 10 = 30

The unknown dimension is 30

5 0
3 years ago
You are picking up a friend and going to a concert. your friend lives 3 miles west of your house and the concert is 21 miles eas
artcher [175]
24 miles away from your house
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sergejj [24]

Answer:

4x - 15

Step-by-step explanation:

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