2 years ago

What is the value of x in this proportion?

Mathematics

1 answer:

schepotkina [342]2 years ago

7 0

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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