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goblinko [34]
3 years ago
11

What is the steps to this problem 5X-X=28

Mathematics
2 answers:
Naya [18.7K]3 years ago
4 0

You must first combine like terms. Like terms means the numbers with the same variables must be combined. In this case those two numbers are 5x and -x, since they both have the variable x attached.

You can combine these variables two different ways. Both will get you the same answer.

Method 1:

5x + (-x) ---> 4x

^^^Keep in mind that -x means the same thing as -1x. The one is just invisible.

Another way to write this is:

5x + (-1x) ---> 4x

Method 2:

5x - 1x ---> 4x

Now that you combined like terms you have the new equation:

4x = 28

Now you must divide 4 to both sides to isolate x. Since 4 is being multiplied by x, division (the opposite of multiplication) will cancel 4 out (in this case it will make 4 one) from the left side and bring it over to the right side.

4x ÷ 4 = 28 ÷ 4

x = 7

Check:

5(7) - 7 = 28

35 - 7 = 28

28 = 28

Hope this helped!

~Just a girl in love with Shawn Mendes

krok68 [10]3 years ago
4 0

Step-by-step explanation:

5x-x=28\qquad (x=1x)\\\\5x-1x=28\qquad\text{combine like terms}\\\\(5-1)x=28\\\\4x=28\qquad\text{divide both sides by 4}\\\\\dfrac{4x}{4}=\dfrac{28}{4}\\\\x=7

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2 years ago
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8 0
3 years ago
Solve for c.<br><br> a(c−b)=d
tatiyna

Answer:

c= ab + d/ a

Step-by-step explanation:

Let's solve for c.

a(c-b)=d

Step 1: Add ab to both sides.

-ab + ac + ab = d+ ab

ac = ab + d

Step 2: Divide both sides by a.

ac / a = ab + d / a

c = ab + d/ a

Answer:

c= ab + d/ a

Hope this helps ☝️☝☝

3 0
3 years ago
How would you divide 5.6 into five even pieces
stealth61 [152]
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5 0
3 years ago
F(x) = x ^ 2 . What is g(x) ?
Bond [772]

Given:

The function is:

f(x)=x^2

The graphs of functions f(x) and g(x).

To find:

The function g(x).

Solution:

We have,

f(x)=x^2

The function f(x) is vertically compresses to get the graph of the function g(x). So, the function g(x) is:

g(x)=kf(x)

g(x)=kx^2               ...(i)

From the given graph it is clear that the graph of the function g(x) passes through the point (3,3). So, putting x=3 and g(x)=3 in the above function, we get

3=k(3)^2

3=9k

\dfrac{3}{9}=k

\dfrac{1}{3}=k

Putting k=\dfrac{1}{3} in (i), we get

g(x)=\dfrac{1}{3}x^2

Therefore, the correct option is D.

6 0
3 years ago
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