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3 years ago

Which is a correct first step for solving this equation? X+7=2x+5-4x

Mathematics

2 answers:

shepuryov [24]3 years ago

8 0

Step-by-step explanation:

you collect like terms from both sides that is, the variables on one side and the constants on the other side

Vika [28.1K]3 years ago

5 0

Answer:

The first step will be grouping the like terms together on both sides of '='

Step-by-step explanation:

The given equation is :

$x+7=2x+5-4x$

The first step will be grouping the like terms together on both sides of '='

$x-2x+4x=5-7$

Now adding both sides.

$3x=-2$

Dividing both sides by 3, we get

$x=\frac{-2}{3}$

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Linda owns 4 shares of a certain stock. Yesterday the total value of her shares went down by 32 dollars. What was the change in

Annette [7]

Answer:

The value of each share decreased by $8.

Step-by-step explanation:

Number of shares of a certain stock Linda owned = 4

Total value of shares went down by = $32

So find the change in value of each share.

Solution:

Let the total value of each share in dollars be = $x$

Value of 4 shares in dollars will be = $4x$

The total value of shares went down by $32

So, new value of 4 shares = $4x-32$

New value of each share = $\frac{New\ value\ of\ total\ shares}{4}$

⇒ $\frac{4x-32}{4}$

Splitting the denominators.

⇒ $\frac{4x{{4}-\frac{32}}{4}$

⇒ $x-8$

Original value of each share in dollars was = $x$

New value of each share in dollars = $x-8$

Thus, we can see that the value of each share decreased by $8.

6 0

3 years ago

− 2/3 (−3 − 9x) A) −2 − 9x <br> B) 2 − 9x <br> C) 2 − 6x <br> D) 2 + 6x

ANEK [815]

Answer:

D 2+6x

Step-by-step explanation:

-2/3(-3-9x)

(-2/3×-3)+(-2/3×-9x)

6/3+18x/3 = 2 + 6x

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3 years ago

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A pack or cardinal flower seeds cost $4.00 and a pack of petunia flower seeds cost $2.50. You buy the same number of packs of ea

jeyben [28]

Answer:

6 packs

Step-by-step explanation:

you add $4.00 and $2.50 together, and get 6.50 and then divide 39 bye $6.50

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3 years ago

At a store, 20 feet of fencing cost $36. At that rate, how much will 15 feet of fencing cost?

lukranit [14]

If 20 feet cost $36 then you can divide 36 by 20 to see how much one foot would cost. The answer is $1.80. Then multiply $1.80 x 15 feet and you get $27

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How do u do this I’m lost

brilliants [131]

Answer:

A = 1/3b

Step-by-step explanation:

Divide each side by 12b to isolate the variable "a". This leaves a = 4/12b. This can be simplified to 1/3b.

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3 years ago

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