20x2 = 41x+9
20x2-41x-9 = 0
(5x+1)(4x-9) = 0
Therefore: x = -1/5 or x = 9/4
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∙ 13y ago12 plus 9 equals 21.
144 9+7 = 16 and 9*16 = 144
Unfortunately, limitations of the browser used by Answers.com means that we cannot see most symbols. It is therefore impossible to give a proper answer to your question. Please resubmit your question spelling out the symbols as "plus", "minus", "times", "divided by", "equals".
The answer is 144. The compound operator for (a) and (b) in each pair is a * (a+b). For 9 and 7, this is 9 x (9+7) = 9 x 16 = 144.
The answer to the problem of 13 equals -4x plus 9 is x equals -1.
9 plus 87 equals 96.
12 plus 9 equals 21.
No! It equals 15, but 9-6=3.
96
9+9+9+9 = 36
If I am correct, 9 plus 7 equals 112.
144 9+7 = 16 and 9*16 = 144
The answer is 144. The compound operator for (a) and (b) in each pair is a * (a+b). For 9 and 7, this is 9 x (9+7) = 9 x 16 = 144.
9+9+9+9+9+9+9=63
The answer to the problem of 13 equals -4x plus 9 is x equals -1.
Unfortunately, limitations of the browser used by Answers.com means that we cannot see most symbols. It is therefore impossible to give a proper answer to your question. Please resubmit your question spelling out the symbols as "plus", "minus", "times", "divided by", "equals".
3x plus 9 equals what?