Question

if 2 is subtracted from a number and the result is multiplied by 1/2 , it becomes 6. find the number.​

Answer 1

Answer:

Hi

Step-by-step explanation:

x=14

PREMISES

x-2×1/2=6

ASSUMPTIONS

Let x= the number

CALCULATIONS

(1) (x-2)(1/2)=6

(2) x/2–1=6

(3) (x/2)(2)-(1–1)=(6+1)(2)

(4) x-0=14

(5) x=

14

PROOF

If x=14, then the equations

(1) x/2–1=6

(2) 14/2–1=6

(3) 7–1=6 and

(4) 6=6 prove that x=14 is a root of the expression (x-2)(1/2)=6

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