m + ( − 9.5 ) = − 7.8 m − 9.5 = − 7.8 m = − 7.8 + 9.5 m = 1.7
-7.8+9.5= 1.7 so m is 1.7
The value of m that satisfies the equation m + ( − 9.5 ) = − 7.8 is 1.7 . This is found by isolating m and performing the arithmetic. Therefore, m equals 1.7 .
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