Question

If 3/5 of a number is 4 less than 1/2 the number then what is the number

Answer 1

Answer:

Let the number be x.

3x/5= x/2-4

3x/5-x/2= -4

6x-5x/10= -4

x/10= -4

x= -40

VERIFY:

3(-40)/5= -40/2 -4

3(-8)= -20-4 (after cutting -40 with 5)

-24=-24

LHS=RHS

Hence, verified

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Answer 2

Answer:

3/5(x) = 1/2(x)–4

3/5x = 1/2x–4

3/5–1/2= –4. LCM is 10

6/10x –5/10x = –4

1/10x = –4

x. = –4(10)

x = –40

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