document.write( "Question 1089546: Decide if the system of equations in two variables is linear or nonlinear.
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Algebra.Com's Answer #703883 by ikleyn(52781)\"\" \"About 
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document.write( "Both variables/unknowns x and y are in the degree 1 ====> the equations are linear  ====>  the system is linear.\r\n" );
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