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3 years ago

PLEASE HELP THANKS!!

Mathematics

2 answers:

mafiozo [28]3 years ago

6 0

Answer: a) x = 5 b) x = 12

Step-by-step explanation: For each one you just do the inverse to get it on the other side of the equal sign. For example x + 3 = 8 would be like this :

1. x + 3 = 8

2. x + 3 - 3 = 8 -3

( + 3 - 3 cancels out)

3. x = 5

zzz [600]3 years ago

5 0

a. x + 3 = 8

x = 8 - 3

x = 5

b. x - 5 = 7

x = 7 + 5

x = 12

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