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Earn +20 ptsQ: What is c equal to in the problem -12 3c -9?
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Continue Learning about Algebra
What is a multi step equation that equal 9?
It is 12=12/4-7=9
What does 12-9 4 equal in math?
-82
What is 2c plus 4-3c equals -9 plus c plus 5?
2c + 4 - 3c = -9 + c + 5 -c + 4 = c - 4 -2c = -8 2c = 8 c = 4
How many twelfths equal 3 4?
9/12
2 numbers equal 12 when added these same 2 numbers equal 9 when multiplied?
x+y=12 x*y=9 so y=9/x and substituting we have x+9/x = 12, multiply by x and we have: x2 + 9 = 12x or in standard form: x2 - 12x + 9=0 which solving using the quadratic equation gives: (+12 - sqrt(144-36))/2 and (12 + sqrt(144-36))/2 which gives x= 11.196, y = 0.804 and x= 0.804 and y = 11.196 You can search wikipedia for the quadratic equation.
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