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(x-3)/7+(3x+4)/4=(13x+3)/21
We simplify the equation to the form, which is simple to understand
(x-3)/7+(3x+4)/4=(13x+3)/21
Reorder the terms in parentheses
( + 0.142857142857x-0.428571428571)+(3x+4)/4=(13x+3)/21
Remove unnecessary parentheses
+ 0.142857142857x-0.428571428571+(3x+4)/4=(13x+3)/21
Reorder the terms in parentheses
+ 0.142857142857x-0.428571428571+( + 0.75x+1)=(13x+3)/21
Remove unnecessary parentheses
+ 0.142857142857x-0.428571428571 + 0.75x+1=+(+13x+3+)+/21
Reorder the terms in parentheses
+ 0.142857142857x-0.428571428571 + 0.75x+1=( + 0.619047619048x + 0.142857142857)
Remove unnecessary parentheses
+ 0.142857142857x-0.428571428571 + 0.75x+1=0.619047619048x + 0.142857142857
We move all terms containing x to the left and all other terms to the right.
+ 0.142857142857x + 0.75x-0.619047619048x=0.142857142857 + 0.428571428571-1
We simplify left and right side of the equation.
+ 0.273809523809x=-0.428571428572
We divide both sides of the equation by 0.273809523809 to get x.
x=-1.56521739131
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