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10: Nine out of eighteen = seven out of twelve, solve the equation,
seven-twenty-fourths
The solution equation is 0.6x = 18.48
0.6X=18.48
x=18.48/0.6
x=30.8
The solution equation: 6x (x + 2.1) = 18
X=0.9
Solution equation: 6x-2 / 9 = 1 / 9
Double 9
6x-2=1
6x=3
x=3÷6
x=1/2
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