The half of sum

Half the sum of a number and 1.75 is -5.1.

What is the number?

Enter your answer as a simplified mixed number in the box.

.

Correct answer:

x =  -239/20

Step-by-step explanation:

2x+1.75=5.1  (x+1.75)/2=5.1  x=11.95  x=111.95=11.95  x=20239=11.95=20239=112019



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