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3 years ago

Solve the equation. 6 = 2(x + 8) - 5x A. 2/3 B. 3 1/3 C. - 2/3 D. -3 1/3

2 answers:

7 0

$6 = 2(x + 8) - 5x \\ \\ 6 = 2x + 16 - 5x \\ \\ 6 = -3x + 16 \\ \\ 6 - 16 = -3x \\ \\ -10 -3x \\ \\ \frac{-10}{-3} = x \\ \\ \frac{10}{3} = x \\ \\ x = \frac{10}{3} \\ \\ Answer: \fbox {x = 10/3} \ or \ \fbox {x = 3 1/3}$

Zinaida [17]3 years ago

4 0

6 = 2(x+8) - 5x
⇒ 2x+ 2*8 -5x= 6
⇒ (2x -5x)+ 16= 6
⇒ -3x = 6 -16
⇒ -3x = -10
⇒ x= -10/(-3)
⇒ x= 10/3
⇒ x= 3 1/3

The correct answer is B. 3 1/3~

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