document.write( "Question 923471: i need help on finding the value a.
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document.write( "if the graph of the equation 2x+5y=4 passes through the point with coordinates (7,a), the value of a is? \n" );
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Algebra.Com's Answer #560052 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! 2x+5y=4 \n" ); document.write( "0r \n" ); document.write( "y = (-2/5)x + 4/5 \n" ); document.write( "P(7,a) \n" ); document.write( "a = (-2/5)7 + 4/5 = -14/5 + 4/5 = -10/5 = -2 \n" ); document.write( "a = -2 \n" ); document.write( " |