x/4-3/5/4/3-7x=-3/20
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Answer:
-3/68
Step-by-step explanation:
x/4- 9/20 -7x = -3/20
5x/20-9/20 -7x = -3/20
4x/20-9/20-140x/20= -3/20
4x-9-140x= -3
4x-140x= -3+9
-136x= 6
x= -6/136
x= -3/68
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