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fgiga [73]
3 years ago
7

Evaluate the expression -8x + 5 - 2x - 4 + 5x when x = 2 before and after simplifying.

Mathematics
2 answers:
umka2103 [35]3 years ago
7 0

Answer:

-9

Step-by-step explanation:

Alex777 [14]3 years ago
5 0

Answer:

Step-by-step explanation:

all we have to do is plug in 2 for x into the equation:

-8(2) + 5 -2(2) -4 + 5(2)

-16 + 5 -4 -4 + 10

-11 -8 + 10

-19 + 10

the answer is

-9

to simplify the equation we’ll combine like terms

-8x + 5 -2x -4 + 5x

-10x + 1 + 5x

-5x + 1

now we’ll plug in 2 for x

-5(2) + 1

-10 + 1

the answer is still

-9

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