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

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asked Mar 14, 2020 103k views

1 vote

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

Mathematics
middle-school

Andre Knob asked

by Andre Knob

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2 Answers

4 votes

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

Karianne answered Mar 16, 2020

by Karianne

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5 votes

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

Shivan Dragon answered Mar 18, 2020

by Shivan Dragon

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