document.write( "Question 1103323: The expression 2(a+b)=−8.1 for certain values of a and b. Find the value of the following expressions for the same values of a and b: 3(a+b)? \n" ); document.write( "
Algebra.Com's Answer #718019 by algebrahouse.com(1659)\"\" \"About 
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2(a + b) = -8.1
\n" ); document.write( "a + b = -4.05 {divided each side by 2}\r
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\n" ); document.write( "\n" ); document.write( "3(a + b)
\n" ); document.write( "= 3(-4.05) {substituted -4.05 in for (a + b)}
\n" ); document.write( "= -12.15 {multiplied}
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