brainlessx brainlessx

24-09-2020
Mathematics

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Solve for the unknown variable

Solve for the unknown variable class=

Respuesta :

danilobabaglio danilobabaglio

24-09-2020

Answer:

1) a = 8

2) q = 23

Step-by-step explanation:

1)

(a - 2) / 9 = 2 / 3

(a - 2) = (2 / 3) * 9

a - 2 = 18 / 3

a - 2 = 6

a = 6 + 2

a = 8

2)

(q + 2) / 5 = (2q - 11) / 7

q/5 + 2/5 = 2q/7 - 11/7

2/5 + 11/7 = 2q/7 - q/5

69/35 = 3q / 35

(69/35) * 35 = 3q

69 = 3q

69/3 = q

23 = q

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