Answer:
m = -4.46
Explanation:
-21.536 = -1.6(9 - m)
1.) Distribute.
-21.536 = -14.4 + 1.6m
2.) Add 14.4 to both sides.
-7.136 = 1.6m
3.) Divide both sides by 1.6.
-4.46 = m, or m = -4.46.
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