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Alenkasestr [34]
3 years ago
10

C + 11 = 20; c= 9 Is this a solution?????

Mathematics
2 answers:
const2013 [10]3 years ago
8 0
C+11=20c=9

We move all terms to the left:

c+11-(20c)=0

We add all the numbers together, and all the variables

-19c+11=0

We move all terms containing c to the left, all other terms to the right

-19c=-11

c=-11/-19

c=11/19



lyudmila [28]3 years ago
5 0

Answer:

yes

Step-by-step explanation:

9 + 11 =  20

20 = 20

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