3 years ago

What is the solution of 7x+21=21

2 answers:

5 0

First you subtract from both sides, which then will give you 7x = 0
then you will need to divide, so <u><em>x=0 </em></u> will be your finale answer.<u><em /></u>

Karolina [17]3 years ago

3 0

Its 0 surely
7x+21-21=21-21
7x=0
7x/7=0/7
x=0

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