8th grade math

i still need help on this problem
( 5x-2)-(6-2x)=-x-9+5x

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  1. ( 5x-2)-(6-2x)=-x-9+5x
    5x - 2 - 6 + 2x = 6x - 9
    7x - 6x = -9 + 8
    x = -1

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  2. use equivalent ratios to solve the proportion. x\35=4\7

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