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nevsk [136]
3 years ago
14

When three times a number is subtracted from 13 the result is 5 plus the number what is the number?

Mathematics
1 answer:
Vladimir79 [104]3 years ago
8 0

Answer:

• let the number be x

• Mathematical interpretation and manipulation of the above statement:

\hookrightarrow \: { \tt{13 - 3x = 5 + x}}

• solve and simplify:

{ \tt{x + 3x = 13 - 5}} \\  \\ { \tt{4x = 8}} \\  \\ \dashrightarrow \:  { \boxed{ \rm{ \: x = 2 \: }}}

<u>Answer</u><u>:</u><u> </u><u>The</u><u> </u><u>number</u><u> </u><u>is</u><u> </u><u>2</u>

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Step-by-step explanation:

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find the digit in units place in the expansion of the following: 1) 2¹⁹⁶⁷ 2) 3¹⁹⁶⁹ 3)4¹⁹⁷⁰ 4) 4¹⁹⁷¹ 5) 5⁵⁵⁵ 6) 6¹⁰⁰⁰ 7) 7²⁰⁰⁷ 8)
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