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3 years ago

Solve for x. 4x − 33=7

Mathematics

2 answers:

tatuchka [14]3 years ago

5 0

Note the equal sign. What you do to one side, you do to the other.

Do the opposite of PEMDAS. First, add 33 to both sides

4x - 33 (+33) = 7 (+33)

4x = 40

Next, divide by 4

4x/4 = 40/4

x = 40/4

x = 10

10 is your answer

hope this helps

muminat3 years ago

5 0

Answer:

x = 6

Step-by-step explanation:

I believe the question is really this:

Solve for x.

$\frac{4x - 3}{3} = 7$

Multiply both sides by 3

$\frac{3(4x-3)}{3} = 7 * 3$

Simplify

4x - 3 = 21

Add 3 to both sides

4x - 3 + 3 = 21 + 3

Simplify

4x = 24

Divide both sides by 4

$\frac{4x}{4} = \frac{24}{4}$

Simplify

x = 6

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3 years ago

Rita is selecting a sandwich at the deli. The deli has four types of meat, three types of cheese and two types of bread. A delux

zalisa [80]

Answer:

24 possible dishes

Step-by-step explanation:

Given

Total

$Meat = 4$

$Cheese = 3$

$Bread = 2$

Selection

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Required

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So, the number of selections is: $^4C_1$

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So, the number of selections is: $^3C_2$

Rita wants to select 1 of 2 cheese types,

So, the number of selections is: $^2C_1$

The total number of selections is:

$Total = ^4C_1 * ^3C_2 * ^2C_1$

Using

$^nC_r = \frac{n!}{(n-r)!r!}$

We have:

$Total = \frac{4!}{(4-1)!1!} * \frac{3!}{(3-2)!2!} * \frac{2!}{(2-1)!1!}$

$Total = \frac{4!}{3!1!} * \frac{3!}{1!2!} * \frac{2!}{(1!1!}$

$Total = \frac{4*3!}{3!*1} * \frac{3*2!}{1*2!} * \frac{2*1}{1*1}$

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Hi!

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s = slope

b = y intercept

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<h3>To find the slope, use this formula. </h3>

$\frac{y2-y1}{x2-x1}$

Put in the values.

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-8 = 2 * -6 + b

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