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3 years ago

9= 2/3 (x+12) plz help

Mathematics

1 answer:

avanturin [10]3 years ago

5 0

Answer: x=3/2

Step-by-step explanation:

Multiply the parentheses by 2/3. 9=2/3x+8.

Multiply both sides by 3 . 27=2x+24

Move the term. When moved to the left side it changes from positive to a negative. -2x=24-27.

-2x=-3

Divide both sides by -2

x=3/2 (x=1 1/2, x=1.5)

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3 years ago

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1 year ago

If five times the successor of a number is added to an original number the sum is 83

Alexus [3.1K]

Answer:

Let the original number be x

Successor is defined as the number which comes immediately after a particular number.

also, the successor of a whole number is the number obtained by adding 1 to that number.

Then, the successor of a number x is, x+1

As per the given condition :

we have;

$5(x+1)+x =83$

Using distributive property on LHS (i.e, $a\cdot(b+c)=a\cdot b+a\cdot c$ )

Then, we have

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Subtract 5 from both the sides we get;

6x+5-5=83-5

Simplify:

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3 years ago