3(7x+1/5x-3)-4(5x-3/7x+1)=11
solve for x?
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is this ur question? beacuse eqns and brakets are so confusing. both can have diff answer
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=> 3(7x+1)-4(5x-3)=11
=> 21x+3 - 20x-12 =11
=> x-9 =11
=> x=11+9
=> x=20.
=> 3(5x-3)-4(7x+1) = 11
=> 15x-9-28x+4 = 11
=> -13x-5 = 11
=> -13x = 16
=> x = 16/-13.
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