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You need to resubmit this so it is an equation.

Could you mean 2m=m-87?

If so, then follow this.

subtract an m from each side:

2m-m = m-87-m

simplify:

m = -87

Now plug that number back in to check:

2(-87) = (-87) minus 87

-174 = -174

so it checks.

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โˆ™ 2011-09-08 01:26:19
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