2 years ago

Write an equivalent algebraic equation for the sentence below.

Mathematics

1 answer:

tatuchka [14]2 years ago

5 0

Answer:

x-7=13

Step-by-step explanation:

x-7= 13

hope that helps

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Step-by-step explanation:

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vovangra [49]

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Step-by-step explanation:

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2 years ago

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When 7 is subtracted from two third of the square of a number it becomes 17 find the number

Dmitry [639]

Answer: 6 or -6

hello,

Step-by-step explanation:

Let say n the number

$\dfrac{2}{3} *n^2-7=17\\\Longrightarrow\ \dfrac{2}{3} *n^2=24\\\Longrightarrow\ n^2=\dfrac{3*24}{2}\\\Longrightarrow\ n^2=36\\\Longrightarrow\ (n-6)(n+6)=0\\\\n=6\ or\ n=-6\\$