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Converting Word Problem to an Equation

Think for a n...

Question

Think for a number,add 7 to it and then multiply the sum by 18,the result is 81 from an equation

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Solution

Dear Student

Let the number be x
(x+7)18 =81
18x+126 = 81

The required equation can be
= (x+7)18 =81
= 18x+126 = 81

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