Solucione as Equações: a) x−1 x =3 b) 1 x −2=−4 c) 3 x+2 x+1 = 2 3 d) x 2−9=0 e) 25 x 2 +100=0 2) Solucione as Inequações: a) 2x 1 e) 3(3 x−2)+2(x+ 1 2 )≤19−x

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Step-by-step explanation:

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351.23

step-by-step explanation:

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.