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Katena32 [7]
3 years ago
11

Arianna correctly simplified an expression. When she substituted X = 2 into the simplified expression, the value was –4. Which c

ould be Arianna’s original expression?
Mathematics
2 answers:
daser333 [38]3 years ago
8 0
The answer would be -2... Because -2 * 2 = -4!
USPshnik [31]3 years ago
8 0

Answer:

\frac{1}{6}(-10x-4)

Step-by-step explanation:

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-x + 4 = -9 Solve the equation.
Alex_Xolod [135]

Answer:

-13

Step-by-step explanation:

Subtract  4  from both sides of the equation

+ 4 = − 9

+ 4 − 4 =− 9 − 4

Simplify

Solution:

= − 1 3

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masya89 [10]
Because of the area
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Answer: ok so for 5 and 125 it is 65 and 25

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3 years ago
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iris [78.8K]

Answer:

y = 2x + 4

Step-by-step explanation:

First, we need to find out the original equation. On this graph, we can see that the original y-intercept is -1. We can also figure out the slope by counting how many units up on the graph the higher point is from the lower point, in this case, 4, and how many units right it is, in this case, 2, so our slope is 4/2, which can be simplified to 2/1, or a slope of 2. Using the slope and y-intercept, we can create the equation for the original line. The equation will be y = 2x - 1. To get our final answer, we simply need to substitute 4 in the place of -1, and we get our final equation, y = 2x + 4.

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2 years ago
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