Respuesta :

Answer:

m = - 5

Step-by-step explanation:

5( m + 3 ) + 7m = 3( m - 10)

step 1: distribute

5m+15+7m=3m-30

step 2: combine like terms

12m+15=3m-30

step 3: get m by itself

12m+45=3m

-12m        -12m

45= -9m

-5=m

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