3 years ago

What is 21(2-x)+12x=44

1 answer:

4 0

21(2-x)+12x=44 21x2=42 21x-x=21x
42-21x+12x=44 -21x + 12x= -9x
42-9x=44
-42 -42
9x=2 9x/9=x 2/9=4.5
x=4.5

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