Question

помогите пожалуйста ​

Answer 1

Ответ:

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Answer 2

$\frac{6.7}{ - 4} = \frac{134}{a + 29} \\ 6.7 \times (a + 29) = - 4 \times 134 \\ 6.7a + 194.3 = - 536 \\ 6.7a = - 536 - 194.3 \\ 6.7a = - 730.3 \\ a = - 730.3 \div 6.7 \\ a = -109.$