61.0k views
3 votes
Seven times the sum of a number and 3 is 9.​

User Amadib
by
6.7k points

1 Answer

11 votes
7(x+3)=9 is the formula
Distribute the 7
7x+21=9
Subtract 21 from both sides
7x=-12
Divide 7 on both sides
X=-12/7
User Dejsa Cocan
by
7.2k points
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