3 years ago

How do you find x in the equation 3x+21=42 Plz help will mark brianltes

Mathematics

2 answers:

Rus_ich [418]3 years ago

4 0

Answer:

3x=21

X=7

Step-by-step explanation:

irinina [24]3 years ago

3 0

Answer:

X=7

Step-by-step explanation:

3x=21

x=7

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