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5 votes
Which value for x makes the open sentence true?

7 + 6 • x = 4^2 + x^2

a) 5
b) 4
c) 3
d) 2

User VasFou
by
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1 Answer

3 votes
The answer is: c) 3

7 + 6 x 3 = 4^2 + 3^2

7 + 6 x 3 = 7 + 18 = 25
4^2 + 3^2 = 16 + 9 = 25
User Taplar
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