sandy6265
03.07.2019 •
Mathematics
Solve using multiplication and check
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Ответ:
(-3r)(4)=(-27)(2)
Multiply on both sides
-12r=-54
Divide both sides by -12
r=4.5
Final r=4.5
Check:
-3(4.5)= -13.5
-13.5/2= -6.75
-27/4=-6.75
Ответ:
heloo
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