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mojhsa [17]
3 years ago
15

Select the property of equality used to arrive at the conclusion. If x - 3 = 7, then x = 10

Mathematics
1 answer:
goldenfox [79]3 years ago
4 0
X - 3 = 7
add 3 to both sides
x - 3 + 3 = 7 + 3
x = 10

addition property of equality
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\huge\underline{\red{A}\blue{n}\pink{s}\purple{w}\orange{e}\green{r} -}

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  • To do - <u>simplify</u><u> </u><u>the </u><u>equation</u><u> </u><u>so </u><u>as </u><u>to </u><u>obtain </u><u>an </u><u>easier </u><u>one</u>

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- 7 + ( \frac{4x + 2}{2} )  = 8 \\  \\ \implies \:  \frac{ - 14 + 4x + 2}{2}  = 8 \\  \\  \implies \:  - 14 + 4x + 2 = 16 \\  \\ \implies \: 4x = 16 + 14 - 2 \\  \\ \implies \: 4x = 28 \\  \\\bold{ General \: form \:  \dashrightarrow  \: 4x - 28 = 0}

hope helpful ~

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