Question

A RATIONAL NO. IS SUCH THAT WHEN YOU MULTIPLY IT BY 5/2 AND ADD 2/3 TO THE PRODUCT YOU GET -7/12 , WHAT IS THE NUMBER?​

Answer 1

Answer:

Let the number be x.

x(5/2) + 2/3 = -7/13

x(5/2) = -7/13 - 2/3

x(5/2) = -21 - 26/39

x(5/2) = -47/39

x = (-47/39)/(5/2)

x = (-47/39)*(2/5)

x = -94/195

Answer 2

Answer:

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Explanation:

Let the number be x

Let the number be x25x+ 32 = 12−7

Let the number be x25x+ 32 = 12−7Transpose 32

Let the number be x25x+ 32 = 12−7Transpose 32 to RHS25x

= 12−7 − 32

= 12−7 − 32⇒ 25 x = 12−15

= 12−15⇒x =− 21

=− 21Rational number =− 21

Rational number =− 21

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