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3 years ago

When I double my number and add eight I get my number plus twelve what is my number

Mathematics

2 answers:

schepotkina [342]3 years ago

7 0

2x + 8 = x + 12
2x - x = 12 - 8
x = 4 <== ur number

Neko [114]3 years ago

5 0

B==D that's how you answer that question

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Interval notation uses square brackets when the value is included in the interval. It uses round brackets (parentheses) when the end value is not included in the interval. ∞ is not a number, so that end always gets a round bracket.

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