7x - 7 = 126 what is x

x = 19

Step-by-step explanation:

7x - 7 = 126

Add 7 to each side

7x - 7+7 = 126+7

7x = 133

Divide each side by 7 to isolate x

7x/7 = 133/7

x = 19

answer:   35 % is the probability of a late departure or an early arrival.

step-by-step explanation:

let l represents the late departure and e represents the early departure.

then, according to the question,

p(l) = 12 %,   p(e) = 27 % and = 4 %

and, we have to find out,

but, we know that,

which is the required equation that will use to find the probability of a late departure or an early departure.

therefore,   the probability of a late departure or an early arrival =   35 %

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