SOLUTION: what is the answer to this?
-2(5+6m)+16=-90
i tried to do it like this;
-2(5+6m)+16=-90
-10+-12m+16=-90
-10+-12m=-106
-12m=116
m=-9.666666667
that isnt one of the answers
Algebra.Com
Question 352244: what is the answer to this?
-2(5+6m)+16=-90
i tried to do it like this;
-2(5+6m)+16=-90
-10+-12m+16=-90
-10+-12m=-106
-12m=116
m=-9.666666667
that isnt one of the answers i can cross off so can you help tell me what i did wrong?
Found 2 solutions by jim_thompson5910, Fombitz:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Note: You made a mistake on the line "-12m=116"
Start with the given equation.
Distribute.
Combine like terms on the left side.
Subtract from both sides.
Combine like terms on the right side.
Divide both sides by to isolate .
Reduce.
----------------------------------------------------------------------
Answer:
So the answer is
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
-2(5+6m)+16=-90
-10+12m+16=-90
-10+-12m=-106 <--- Add 10 to both sides
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