Question

10 added to half of a number is 100

Answer 1

Answer:

180

Step-by-step explanation:

first make its equation like this

10+x/2=100

then solve it

10 will go to right side and

x/2=100-10=90

then there is divide on left side

so we will multiply 2 by 90

it gives 180.

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Answer 2

Answer:

180

Step-by-step explanation:

10+half of a number=100

Give the number a letter, lets say x

Therefore,

         10+ 1/2x =100

Collect the like terms together(take 10 to the other side)

1/2x=100-10 (when a positive number goes over the equal sign it changes to negative)

1/2x=90

Multiply both sides by the reciprocal of the number with a letter that is 1/2

2/1*1/2x=90*2/1

x=180

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