Question

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Answer 1

Answer:

If x + 5x = 90, 6x = 90 so x = 15, 5x = 75.

Answer 2

Answer: x= 15, 5x=75

Step-by-step explanation:

x=15                                      

x+5x=90

Add similar elements

6x=90

6x/6=90/6

x=15

5x=75

x=15

5x=15x5

15x5=75