Question

find the value of x
a. 4 upon 7 = x upon -42
b. x upon 11 = - 20 upon 44

Answer 1

Answer:

x=-24

Step-by-step explanation:

4/7=x/-42

cross multiplication

-42×4=7x

-168=7x

-168/7=x

-24=x, hope it will help you

Answer 2

Answer:

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