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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-1/2m = -9 To solve this: Multiply by 2m: -1 = -9*2m Divide by -9: -1/-9 = 2m Divide by 2: (-1/-9)/2 = m Work it out: -1/-9 = 0.111... (the 1 is recurring) 0.111... / 2 = 0.0555... (the five is recurring) So x = 0.055... or 5/90
2m is 200cm..
2m is 2000cm
4m
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