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andrew11 [14]
3 years ago
11

When simplified, which of the following expressions has a coefficient of 5? -4x - 9x -4x + 9x 4x - 9x 4x - (-9x)

Mathematics
1 answer:
tekilochka [14]3 years ago
6 0
-4x - 9x = -13x
-4x + 9x = 5x
4x - 9x = -5x
4x - (-9x) = 4x + 9x = 13x
i.e. the second option is the answer
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Simplify −5(x−8)+7(x+3)=x+11
4vir4ik [10]

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If you're solving for x, the answer is -50. x = -50

Step-by-step explanation:

Remove the parenthesis and distribute:

-5(x-8) + 7(x+3) = x + 11

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6 0
3 years ago
Determine the number of real solutions to the quadratic equation -9m^2-8m-3=0
vekshin1

Step-by-step explanation:

Let's solve your equation step-by-step.

−9m2−8m−3=0

For this equation: a=-9, b=-8, c=-3

−9m2+−8m+−3=0

Step 1: Use quadratic formula with a=-9, b=-8, c=-3.

m=

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