Asked by A.W.

Solve using the addition and mulitplication method principles. 4+9x<13. Is this right? 4-4 +9x<13-4
9x/9> 9/9
x>1?
Answered by drwls
No, you should not have changed the direction of the <, since you divided by a positive number.
Answered by GanonTEK
almost, the < sign only changes to a > sign when both sides are multiplied by a minus.
so the answer is x<1

Hope that helps
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