Answered

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What is the value of x in this proportion?
Choose one of the choices below



2/7=−5x+3


x=−20 1/2

x=−19

x=−16

x=−14 1/2

Sagot :

sqdancefan

Answer:

  (a)  -20 1/2

Step-by-step explanation:

The proportion can be solved using "cross multiply" as the first step. This eliminates the fractions and turns it into a linear equation.

  2/7 = -5/(x +3) . . . . . given

  2(x +3) = -35 . . . . . . multiply by 7(x +3)

  2x = -41 . . . . . . . . . simplify, subtract 6

  x = -20 1/2 . . . . . . divide by 2

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