How do you solve $- 9 + m = 20$ $-9+m=20$ ?

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Answer 1 · 2016-11-06T11:43:52

$m = 29$ $m=29$

Leave m where it is and add 9 to both sides of the equation.

$cancel(-9)cancel(+9)+m=20+9$

$rArrm=29" is the solution"$

How do you solve -9+m=20−9+m=20-9+m=20?