garciak0552 garciak0552

21-09-2019
Mathematics

contestada

How is this solved? -10(9m-5)-2=

Respuesta :

kamalpreetk740 kamalpreetk740

21-09-2019

-2 (5(9m-5)-2
-2(45m-25+1)
-2(45m-24)
-2 • 3 (15m-8)
-6 (15m-8)

Answer Link

21-09-2019

First step:
Distributive property
-10(9m-5)-2=
-10•9=-90
-10•-5=50
90m+50-2=

Second step:
Combining like terms
50-2= 48
90m+48=

Third step:
Get m by itself
90m+48=
-48 -48
90/90m=48/90

Answer: M=8/15

Answer Link

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