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Alla [95]
3 years ago
8

Help please and thank you ​

Mathematics
2 answers:
rjkz [21]3 years ago
4 0

All you need to do is that Step-by-step explanation:

SIZIF [17.4K]3 years ago
4 0

Answer:

x=6

Step-by-step explanation:

21x+7=133

subtract 7 from both sides:

21x=126

divide 21 by both sides:

x=6

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