document.write( "Question 623693: Solve using the SUBSTITUTION method. Must show all work for FULL credit. If system has no solution or an infinite number of solutions, Please state this.\r
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\n" ); document.write( "\n" ); document.write( " 3x + y = 26
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\n" ); document.write( "\n" ); document.write( "Thank you for your help -I am not really dumb, I just don't understand algebra.\r
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Algebra.Com's Answer #392226 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,  
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document.write( "Solve using the SUBSTITUTION method: 
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document.write( "3x + y = 26    or y = -3x+26  (Green)   |Solving 1st EQ for y, so as to have something to 'substitute' for y in the 2nd EQ
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document.write( "-6x + y = -37 
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document.write( "-6x + (-3x+26) = -37    ||Substituting (-3x+26) for y gives the solution for x
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document.write( "     -9x = -63
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document.write( "       x = 7  and 
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document.write( "Ordered pair (7,5) is the solution for this system of EQuations
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