3 years ago

Please help me on this problem

2 answers:

8 0

2(n+7) =3n

n = 14

n = 14

7 0

The correct equation is
2n + 7 = 3n

another way to write 2n+7 = 3n is 3 * 7 = 21

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galina1969 [7]

ANSWER :

I THINK ITS B

EXPLANATION :

ANSWERED BY THE BEST !!!!

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zubka84 [21]

Answer:

$\large\boxed{b=\pm\sqrt{77}}$

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$b^2=77\iff b=\pm\sqrt{77}\\\\\text{because}\\\\(-\sqrt{77})^2=77\ \text{and} \ (\sqrt{77})^2=77$

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3 years ago