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katovenus [111]

4 years ago

11

Need Help...

1 answer:

Rudik [331]4 years ago

5 0

<span>|7x-7|+3 = 4x+1 ⇒⇒⇒ add (-3) to both sides
</span>
<span>∴ |7x-7| = 4x - 2
</span>
According to the absolute rule
∴ 7x - 7 = 4x - 2    OR    -(7x - 7) = 4x - 2
7x - 4x = 7 - 2      l     7x - 7 = -4x + 2
   3x = 5          l     7x + 4x = 2 + 7
x = 5/3                   l     11 x = 9 ⇒⇒⇒ x = 9/11

∴ x = 5/3 and 9/11

So, the correct answer is option <span>B. 5/3 and 9/11</span>

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