Question

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quanto é

3.(2-2X)= 7X

4.(2-2X)+7X= 5 (3+2X)

Answer 1

$3.(2 - 2x) = 7x = 6 - 6x = 7x \\ 7x + 6x = 6 \\ 13x = 6 \\ x = \frac{6}{13} = 0.46$