7(3+m)=21 - solution

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Solution for 7(3+m)=21 equation:

m in (-oo:+oo)

7*(m+3) = 21 // - 21

7*(m+3)-21 = 0

7*(m+3)-21 = 0

7*m = 0

7*m = 0

7*m = 0 // : 7

m = 0

m = 0

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