m + (-9.5) = -7.8
First, simplify your brackets. / Your problem should look like: [tex]m + -9.5 = -7.8[/tex]
Second, change addition to subtraction. / Your problem should look like: [tex]m - 9.5 = -7.8[/tex]
Third, add 9.5 to both sides. / Your problem should look like: [tex]m = -7.8 + 9.5[/tex]
Fourth, simplify. / Your problem should look like: [tex]m = 1.7[/tex]
Answer: m = 1.7
