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Crank
3 years ago
7

Nine times the sum of a number and 2 is 189. I need to make it to an equation.

Mathematics
1 answer:
Olegator [25]3 years ago
3 0

<em>Equation:</em>

9(a+2)=189

<em>Solve the equation:</em>

9a+18=189

9a=189-18

9a=171

a=171/9

a=19

<em>Check the solution:</em>

Let a=19

9(a+2)=189

9(19+2)=189

171+18=189

189=189


Therefore, the equation is 9(a+2)=189 and a is 19.

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