SOLUTION: How do I solve 1 + 3x<22?

Question 424739: How do I solve 1 + 3x<22?
Answer by linh117(31) (Show Source): You can put this solution on YOUR website!
1+3x<22
Since 1 does not contain the variable to solve for, move it to the right-hand side of the inequality by subtracting 1 from both sides.
3x<-1+22
Add 22 to -1 to get 21.
3x<21
Divide each term in the inequality by 3.
(3x)/(3)<(21)/(3)
Simplify the left-hand side of the inequality by canceling the common terms.
x<(21)/(3)
Simplify the right-hand side of the inequality by simplifying each term.
x<7
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