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KengaRu [80]
3 years ago
11

Can SOMEONE PLEASE HELP ME I NEED HELP!!! Please I don’t get it!!!

Mathematics
2 answers:
r-ruslan [8.4K]3 years ago
5 0

Step-by-step explanation:

AC = AB + BC

81 = 2x + 1 + 6x

81 = 8x + 1

81 - 1 = 8x

80 = 8x

80/8 = x

10 = x

andrey2020 [161]3 years ago
3 0

Step-by-step explanation:

According to the question,

AB+BC=AC

2x+1+6x=81

8x+1=81

8x=81-1

8x=80

x=80/8

x=10

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3 years ago
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Answer:

33

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