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3 years ago

Im stuck in this exercise

Mathematics

2 answers:

expeople1 [14]3 years ago

5 0

$9m+2 \\ -(3m+8) \\ - - - - - \\ 6m - 6 \\ - - - - -$

Solution :-

$9m + 2 - (3m + 8) \\ 9m + 2 - 3m - 8 \\ m(9 - 3) + (2 - 8) \\ 6m - 6$

jasenka [17]3 years ago

5 0

Answer:

6m - 6

Step-by-step explanation:

9m + 2 - (3m + 8) = 9m + 2 -3m -8

= 9m - 3m + 2 - 8

= 6m - 6

when you open the brackets, -(+3m) = -3m because when a positive sign times a negative sign, you get a negative sign. so, same thing for -(+8) = -8

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Im stuck in this exercise ​

Im stuck in this exercise