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TiliK225 [7]
1 year ago
9

Find the value of x in the equation below 4=x/5

Mathematics
2 answers:
melomori [17]1 year ago
6 0

Answer:

\large\boxed{x=20}

Step-by-step explanation:

How to find the value of x in an equation?

To find the value of x, or any other variable, use Addition, <em>Subtraction</em>, <em>Multiplication</em> or Division. The entire process of solving an equation really boils down to these four mathematical operations.

The first operation to be used in the equation 4=\frac{x}{5} is <em>Multiplication</em>. I am going to multiply 5 by both sides. I will end up with this as my result:

20=x, or x=20.

victus00 [196]1 year ago
3 0

Answer:

x = 9. Rearrange variables to the left side of the equation: - x = - 5 - 4

Calculate the sum or difference: x=9

Step-by-step explanation:

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Answer:

  • Option <u>B </u>is correct i.e. <u>2</u><u>1</u>

Step-by-step explanation:

In the question we're provided with an equation that is :

  • v/7 = 3

And we are asked to find the solution for the equation .

<u>Solution</u><u> </u><u>:</u><u> </u><u>-</u>

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Multiplying by 7 on both sides :

\longrightarrow \: \frac{v}{ \cancel{7} }\times  \cancel{7}  = 3 \times 7

On further calculations , we get :

\longrightarrow \:  \blue{\boxed{v = 21}}

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<u>Verifying</u><u> </u><u>:</u>

We are verifying our answer by substituting value of v in the equation given in question :

\longrightarrow \: \frac{v}{7}  = 3

Putting value of v :

\longrightarrow \:  \cancel{\frac{21}{7}}  = 3

By dividing 21 with 7 , we get :

\longrightarrow \:3 = 3

\longrightarrow \: L.H.S=R.H.S

\longrightarrow \: Hence , \: Verified.

  • <u>Therefore</u><u> </u><u>,</u><u> </u><u>our </u><u>answer</u><u> is</u><u> valid</u><u> </u><u>.</u>

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