Question

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Answer 1

Answer:

$1. \: \: \: 19 + (3 \div 4x) = (4 \div 9x) \\(( 19 \times 36x) + 27 - 16) \div 36x = 0 \\ 19 \times 36x = - 11 \\ x = - 11 \div 684$

$0.7x + 0.3x = 0.5x + 6 \\ x = 0.5x + 6 \\ 0.5x = 6 \\ x = 6 \times 2 = 12$

Step-by-step explanation:

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Answer 2

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