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Solve the inequality 12p 7 139 A. p 18 B. p 12 C. p 154 D. p 11?
Wiki User
∙ 9y ago
First of all--- is it 12p -/+ 7=139, but I'll do both anyway.
1. 12p-7=139 this means you + 7 to both sides first, to get the variable(p) by itself. so the equation would be 12p=146. Next divide 12 from both sides and it leaves you with p=12.1666 -repeating of course.
2. 12p+7=139 means you subtract 7 from both sides to get 12p by itself again. the equation would then be 12p=132. divide 12 from both sides and you get- p=11(which is one of your answers) :) so the answer is d.11.
Wiki User
∙ 9y ago
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