9.If 9/5 X=18/5 then the value of x ?
10.Five times a number incresed by 7 is 27 .find the number ?11. solve 3(x-3)=5(2x+1) ?
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6 power -3
(6)-3 power
1/6 power 3 ( by replacing the negative sign into positive sign)
1 multiply by 3
6 multiply by 6 power 3
1/216 is the answer ...
so 6 power -31 is equal to 1/216 ....
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9) 9/5x = 18/5
=) x = 18/5×5/9
=) x = 2
10) Let the number be x
ATP
5x+7 = 27
=) 5x = 27-7
=) x = 20/5
=) x = 4
11) 3(x-3) = 5(2x+1)
=) 3x-9 = 10x+5
=) -9-5 = 10x-3x
=) -14 = 7x
=) -14/7 = x
=) -2 = x
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