Homework Help: 7th grade

Posted by Kim on Tuesday, June 2, 2009 at 7:19pm.

I need to find out the missing variable.

10 x n - 55 = 155

n=

7th grade - Ms. Sue, Tuesday, June 2, 2009 at 7:31pm
10n - 55 = 155

Add 55 to both sides of the equation.

10n = 210

Divide by 10

n = 21
7th grade - Anonymous, Thursday, June 4, 2009 at 8:55pm
Thank you very much.

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