Question

3.What should be added to twice the rational number -5/3 to get -9/7 ? *

2 points


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Answer 1

Answer:

x=43/21

Step-by-step explanation:

Let the number to be found be 'x'.

2×(-5/3)+x=(-9/7)

(-10/3)+x=(-9/7)

x=(-9/7)+(10/3)

x=(-27+70)/21

x=43/21

Verification

2×(-5/3)+(43/21)

=(-10/3)+(43/21)

=(-70/21)+(43/21)

=(-70+43)/21

=(-27/21)

=(-9/7)