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4 votes
Is the equation true, false or open
9p+8=10p+7

User Jvenezia
by
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1 Answer

4 votes
9p+8=10p+7
(minus 9p from both sides)
8=p+7
(minus 7 from both sides)
1=p

(9x1)+8=(10x1)+7
9+8=10+7
17=17

The eqation is true.
User Greg Hurrell
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7.5k points