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yawa3891 [41]
4 years ago
13

X2 + 18 = 67 whats the answer?

Mathematics
1 answer:
matrenka [14]4 years ago
3 0

Answer:

7

Step-by-step explanation:

x^{2} + 18 = 67

<u><em>You first need to subtract 18 from both sides:</em></u>

<u><em /></u>x^{2} + 18 = 67

    - 18    -18

_________

x^{2} = 49

<u><em>To get rid of the square, you need to square root both sides:</em></u>

<u><em /></u>x^{2} = 49

\sqrt{x^2} = \sqrt{49}

<u><em>This leaves you with:</em></u>

x = 7

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