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1 answer:

4 0

The first blank is EF
second blank is segment congruent postulate
third blank is segment addition postulate
fourth blank is DF

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Evgen [1.6K]

126 + 9x = 180
180 - 126 = 54
9x = 54
x = 6

mark me brainliest if the answer is correct , thank you in advance :)

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3 years ago

DENIUS [597]

Answer:

s = 70

Step-by-step explanation:

$\frac{s}{10} = 7$

$10 \times \frac{s}{10} = 10 \times 7$

$s = 70$

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2 years ago

aev [14]

Answer:

y= 4x-9

Step-by-step explanation:

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3 years ago

dangina [55]

Answer: = (the third option)

Step-by-step explanation

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2 years ago

Natalija [7]

10 because x+x = 20
a+b=c

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2 years ago