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Q: M plus 9 equals -12

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M+(-9)=12 M+(-9)-(-9)=12-(-9) addition property of equality M=12+9 rules for negative addition M=21 addition and substitution

m = 31m + 9 = 1(3) + 9 = 3 + 9 = 12

4m+9+5m-12=42 9m=45 m=5

4m+9+5m-12=42 9m=45 m=5

-4M+3=-9 -4M=-12 M=-12/-4 Negatives Cancel M=12/4 M=3

3 + 6 + m + 12 + 5 = 30 9 + m + 17 = 30 m + 26 = 30 m = 30 - 26 = 4

-8

m = 5

-12=m+4 -16=m

-8

m + 9 = 2 Therefore, m = 2 - 9 m = -7

1.92 m

the answer to that is 5

m = -12

m=9

22m Think of the "m" as a "monkey". 2 monkeys + 2 monkeys + 9 monkeys + 9 monkeys = 22 monkeys

4m + 9 + 5m - 12 = 42 Combining like terms to both sides:9m=42+12-9=>9m=45 divide both side by 9:m=5;

27

4m + 9 + 5m - 12 = 42 9m -3 = 42 9m = 42 + 3 9m = 45 m = 5

M = 5 * * * * * 4m + m - 11 = 9 or 5m - 11 = 9 so that 5m = 20 and then m = 4, NOT 5.

4!

-8

4

m/9 + 7 = 3m + 63 = 27m = 27 - 63m = 36

If: 7+3m = -29 then the value of m is -12