document.write( "Question 1073394: If f(x) = 2x + 5 and g(x) = ax - 7, find a (a as in the variable a) such that (f + g)(2) = 10. \n" ); document.write( "
Algebra.Com's Answer #688207 by josgarithmetic(39617)\"\" \"About 
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\"%28f%2Bg%29%28x%29=2x%2B5%2Bax-7\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28f%2Bg%29%28x%29=%282%2Ba%29%2Ax-2\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28f%2Bg%29%282%29=%282%2Ba%29%2A%282%29-2=10\"\r
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\n" ); document.write( "\n" ); document.write( "\"4a%2B2a-2=10\"\r
\n" ); document.write( "\n" ); document.write( "\"2a%2B2=10\"\r
\n" ); document.write( "\n" ); document.write( "\"a%2B1=5\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28a=4%29\"\r
\n" ); document.write( "\n" ); document.write( "(fixed)\r
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\n" ); document.write( "\n" ); document.write( "------this part was wrong-------------------\r
\n" ); document.write( "\n" ); document.write( "\"4%2B4a-2=10\"\r
\n" ); document.write( "\n" ); document.write( "\"4a=10-4%2B2\"\r
\n" ); document.write( "\n" ); document.write( "\"4a=8\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28cross%28a=2%29%29\"
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