2x/3=35
2/5+x=13
7x-9=17
5x+7/2=3/2x-18
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Answer:
1. 2x/3 =35
2x = 105
x =105/2
now 2..
2/5+ x = 13
x =13-2/5
x= 63/5
now 3...
7x -9 = 17
7x=28
x=4
now 4...
5x+7/2 = 3/2x-18
7/2+18 = 3/2x -5x
43/2 = -7/2x
43/2*(-2/7) = x
x =-43/7
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