At what value of the variable m is the value of the expression 7m-3(m+2) equal to 14?


Answer from: Nemanja Ilkovic:
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7m-3(m+2)=14
7m-3m-6=14
7m-3m=14+6
4m=20
m=20:4
m=5

Checking:
7х5-3(5+2)=14
35-3х7=14
35-21=14
14=14


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