document.write( "Question 1110996: Find all solutions of the given system of equations and check your answer graphically. HINT [See Examples 2–5.] (If there is no solution, enter NO SOLUTION. If the system is dependent, express your answer in terms of x, where y = y(x).)
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Algebra.Com's Answer #725993 by ikleyn(52811) $\"\"$ $\"About$

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document.write( "This system of equations is the simplest example of the system of 2 equations in two unknowns.\r\n" );
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document.write( "In addition, it is the MOST POPULAR example.\r\n" );
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document.write( "When you see such a system, add the two equations MOMENTARILY / immediately / INSTANTLY.\r\n" );
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document.write( "You will get \r\n" );
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document.write( "2x = 16 + 26 = 42  ====>  x =  = 21.\r\n" );
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document.write( "Half of the solution is just DONE.\r\n" );
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document.write( "Now from either of the two original equations find y.\r\n" );
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document.write( "For example, from the first equation  y = 16 - 21 = -5.\r\n" );
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document.write( "Answer.  x= 21,  y = -5.\r\n" );
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