-12=2(3m+4)-5(4+5m)

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Solution for -12=2(3m+4)-5(4+5m) equation:



-12=2(3m+4)-5(4+5m)
We move all terms to the left:
-12-(2(3m+4)-5(4+5m))=0
We add all the numbers together, and all the variables
-(2(3m+4)-5(5m+4))-12=0
We calculate terms in parentheses: -(2(3m+4)-5(5m+4)), so:
2(3m+4)-5(5m+4)
We multiply parentheses
6m-25m+8-20
We add all the numbers together, and all the variables
-19m-12
Back to the equation:
-(-19m-12)
We get rid of parentheses
19m+12-12=0
We add all the numbers together, and all the variables
19m=0
m=0/19
m=0

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