3 years ago

Solve: 1/3(9k + 12) = 15

Mathematics

2 answers:

Alex17521 [72]3 years ago

8 0

Answer:

Step-by-step explanation:

icang [17]3 years ago

3 0

Step-by-step explanation:

1/3(9k+12)=15

We move all terms to the left:

1/3(9k+12)-(15)=0

Domain of the equation: 3(9k+12)!=0

k∈R

We multiply all the terms by the denominator

-15*3(9k+12)+1=0

Wy multiply elements

-45k(9+1= 10

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