document.write( "Question 696646: 1) What is the solution of the systems of equations 2x-5y=11 and -2x +3y=-9?
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document.write( "2)what is the slope of the linear equation 5y-10x=-15
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document.write( "3)What are the factors of x^2-10x-24?
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document.write( "4)Which Trinomial is equivelent to (3x-2)(x+4)?
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document.write( "5)What is the value of y in the equation 2(3y-4)\r
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document.write( "Thank You ..! \n" );
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Algebra.Com's Answer #429264 by mathbird(71)![]() ![]() ![]() You can put this solution on YOUR website! 1)2x-5y=11 (adding) \n" ); document.write( " -2x +3y=-9 \n" ); document.write( " => -2y=2 \n" ); document.write( " =>y=-1 \n" ); document.write( " then: 2x=11+5y \n" ); document.write( " =11+5(-1) \n" ); document.write( " =11-5 \n" ); document.write( " 2x=6 \n" ); document.write( " x=3 \n" ); document.write( "for checking:2x-5y==11 \n" ); document.write( " 2(3)-5(-1) \n" ); document.write( " 6+5=11\r \n" ); document.write( "\n" ); document.write( "2)5y-10x=-15 \n" ); document.write( " 5y=-15+10x (dividing 5 on both sides) \n" ); document.write( " y=-3+2x \n" ); document.write( " y=2x-3 \n" ); document.write( " slope is 2\r \n" ); document.write( "\n" ); document.write( "3) x^2-10x-24 \n" ); document.write( "x^2-12x+2x-24 \n" ); document.write( "x(x-12)+2(x-12) \n" ); document.write( "(x+2)(x-12)\r \n" ); document.write( "\n" ); document.write( "4)(3x-2)(x+4) \n" ); document.write( " 3x(x+4)-2(x+4) \n" ); document.write( " 3x^2+12x-2x-8 \n" ); document.write( " 3x^2+10x-8\r \n" ); document.write( "\n" ); document.write( "5) 2(3y-4) \n" ); document.write( " it can be done by putting the equation equal to 0 \n" ); document.write( " 2(3y-4)=0 \n" ); document.write( " 3y-4=0 \n" ); document.write( " 3y=4 \n" ); document.write( " y=4/3\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |