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Answer:
x=71÷11=6.4
i hope it will help you
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Step-by-step explanation:
7x+3÷2-(x-x-3÷4)=20
7x+3÷2-(3x-3÷4)=20
14x+6-3x+3÷4=20
11x+9÷4=20
11x+9=80
11x=71
x=71/11
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