Question

3 X + 4 is equals to minus 7 x + 8​

Answer 1

Answer:

$\: \: \: 3x + 4 = - 7x + 8 \\ 3x + 7x = 8 - 4 \\ \: \: \: \: \: \: \: \: 10x = 4 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: x = \frac{4}{10} = \frac{2}{5} = 0.4$

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