document.write( "Question 1066071: -3×–8y=20
\n" ); document.write( "Y=19+5×\r
\n" ); document.write( "\n" ); document.write( " Why would subtraction be the easiest method for this problem
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Algebra.Com's Answer #681243 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
Do you intend the little cross symbol as the variable, x?\r
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\n" ); document.write( "\n" ); document.write( "\"system%28-3x-8y=20%2Cy=19%2B5x%29\"\r
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\n" ); document.write( "\n" ); document.write( "Why would subtraction be the easiest method for this problem? It would/might not be!\r
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\n" ); document.write( "\n" ); document.write( "\"-3x-8%2819%2B5x%29=20\", using SUBSTITUTION.
\n" ); document.write( "\"-3x-152-40x=20\"
\n" ); document.write( "\"-43x=152%2B20\"
\n" ); document.write( "\"43x=-20-152\"
\n" ); document.write( "\"x=-172%2F43\"
\n" ); document.write( "\"highlight%28x=-4%29\", and you can find y from this.\r
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\n" ); document.write( "\n" ); document.write( "ELIMINATION METHOD?
\n" ); document.write( "\"system%28-3x-8y=20%2C5x-y=-19%29\"
\n" ); document.write( "Multiply the entire second equation by 8...
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\n" ); document.write( "\"system%28-3x-8y=20%2C40x-8y=-152%29\"
\n" ); document.write( "and you should be able to subtract one equation from the other equation to eliminate the y and solve for x...
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