document.write( "Question 226452: how do i figure out this equation -10(r-6)=90? \n" ); document.write( "
Algebra.Com's Answer #168612 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"-10%28r-6%29=90\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"-10r%2B60=90\" Distribute.\r
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\n" ); document.write( "\n" ); document.write( "\"-10r=90-60\" Subtract \"60\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"-10r=30\" Combine like terms on the right side.\r
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\n" ); document.write( "\n" ); document.write( "\"r=%2830%29%2F%28-10%29\" Divide both sides by \"-10\" to isolate \"r\".\r
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\n" ); document.write( "\n" ); document.write( "\"r=-3\" Reduce.\r
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\n" ); document.write( "\n" ); document.write( "Answer:\r
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\n" ); document.write( "\n" ); document.write( "So the answer is \"r=-3\"
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