Asked by Xavier

7=2-5m; m

my answer key says -1 but I don't know why it would be that. Can you explain?
Answered by Ms. Sue
7 = 2 - 5m
7 - 2 = -5m
5 = -5m
-1 = m

When you multiply or divide by a positive and a negative, the answer is negative.

Answered by Xavier
where does the -5 come in?
Answered by Ms. Sue
-5m is in your original problem

Answered by Xavier
oh i thought it was 5 times what minus 2 equals 7. not -5
Answered by Ms. Sue
It's 2 minus 5 times some number.

Answered by Xavier
thank you very much for the help
Answered by Ms. Sue
You're very welcome. :-)

Answered by lailah
2+2=4
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