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60 parts of x plus 1 equals 90 parts of 3x x =?
60/x+1=90/3x
60/x-30/x=-1
30/x=-1
x=-30
Who can solve (x + 3x-32) * 3 / 7 = 3x-32
thank
(4x-32)*3/7=3x-32
Double 7
4x*3-32*3=7*3x-7*32
12x-96=21x-224
21x-12x=224-96
9x=128
x=128÷9=14+2/9
X = 14 and 2 / 9
3x÷2=（x+7）÷3
Double six on both sides
3×3x=2(x+7)
9x=2x+14
7x=14
x=14 ÷7
x=2
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