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Karo-lina-s [1.5K]
2 years ago
12

5(x-4)=15 find out what x is

Mathematics
2 answers:
irakobra [83]2 years ago
8 0

Answer:

x=7

Step-by-step explanation:

-5*(x-4)-(-15)=0

(0 -  5 • (x - 4)) -  -15  = 0

 35 - 5x  =   -5 • (x - 7)

 -5 • (x - 7)  = 0

    Solve  :    x-7 = 0

Add  7  to both sides of the equation :

                     x = 7

Digiron [165]2 years ago
4 0

Answer:

7

Step-by-step explanation:

7-4=3

5×3=15

plz mark brainliest

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5 0
3 years ago
Would be great if someone explained this
sasho [114]

A. 2.

A radical is an expression which implies the use of a root.

There are three components of a radical expression:

(i) The root "√".

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(iii) The degree or index of the radical \sqrt["n"]{a}, when index of the radical is not shown then it understood to be a index of 2.

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