Question

Given that 2x+7=27 and 3x+1=28

Answer 1

`9 = x \\ 10 = x`

Explanation:

27 = 7 + 2x

- 7 - 7

________

`(20)/(2) = (2x)/(2) \\ \\ 10 = x`

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28 = 1 + 3x

- 1 - 1

________

`(27)/(3) = (3x)/(3) \\ \\ 9 = x`

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