document.write( "Question 368295: Find the solution to each system by the addition (elimination) method.
\n" ); document.write( "4s – 5t = 18
\n" ); document.write( "6s + 10t = -8\r
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Algebra.Com's Answer #262434 by robertb(5830)\"\" \"About 
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Multiply the top equation with 2, having in mind eliminating t: 8s - 10t = 36.
\n" ); document.write( "Add corresponding sides with 6s + 10t = -8, to get 14s = 28, or s = 2. Substitute into the bottom equation: 12+10t = -8, or 10t = -20, or t = -2.
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