document.write( "Question 6187: Can u solve these problems by steps?\r
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document.write( "1 3/2x+4=-9
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document.write( " 3/2x=-9-4
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document.write( "2 2(3x-7)+4x=26\r
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document.write( "3 4-3x=5-6x-7\r
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document.write( "8 solve the equations : y=2x+5 and 3x-2y=10\r
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document.write( "9 solve the equations : 6x-3y=11 and 6x+3y=17\r
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document.write( "10 solve the equations 3x+5y=22 and 4x+3y=11 \n" );
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Algebra.Com's Answer #3333 by bijar(1)![]() ![]() ![]() You can put this solution on YOUR website! 1 3/2x+4=9 \n" ); document.write( " 3/2x=-9-4 \n" ); document.write( " 3/2x=-13 \n" ); document.write( " \n" ); document.write( " we use the algebric rule of changing the sides, \n" ); document.write( " -3/13=2x \n" ); document.write( " \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " -3/26=x answer \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2 2(3x-7)+4x=26 \n" ); document.write( " 6x-14+4x=26 \n" ); document.write( " 10x=26+14 \n" ); document.write( " 10x=40 \n" ); document.write( " x=40/10 \n" ); document.write( " x=4 answer\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3 4-3x=5-6x-7 \n" ); document.write( " 4-3x=-2-6x \n" ); document.write( " 4+2=-6x+3x \n" ); document.write( " 6=-3x \n" ); document.write( " -6/3=x \n" ); document.write( " x=-2 answer\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "8 y=2x+5 and 3x-2y=10 \n" ); document.write( " let y=2x+5 be equation 1 \n" ); document.write( " let 3x-2y=10 be equation 2 \n" ); document.write( " \n" ); document.write( " substitute equation 1 into equation 2 \n" ); document.write( " 3x-2(2x+5)=10 \n" ); document.write( " now , we will multiply -2 by (2x+5) \n" ); document.write( " \n" ); document.write( " 3x-4x-10=10 \n" ); document.write( " -x=10+10 \n" ); document.write( " -x=20 y=2(-20)+5 \n" ); document.write( " y=-40+5 \n" ); document.write( " y=-35 \n" ); document.write( " x=-20 answer\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "9 6x-3y=11 and 6x+3y=17 \n" ); document.write( " let 6x-3y=11 be equation 1 and 6x+3y=17 be equation 2 \n" ); document.write( " \n" ); document.write( " solving equation 1 , 6x-11=3y \n" ); document.write( " 6x/3 -11/3=y \n" ); document.write( " 2x-11/3=y \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " 6x+3(2x-11/3)=17 y=2(7/3)-11/3 \n" ); document.write( " y=14/3-11/3 \n" ); document.write( " y=3/3 , y=1 \n" ); document.write( " 6x+6x-11=17 \n" ); document.write( " 12x=28 \n" ); document.write( " x=28/12 \n" ); document.write( " x=7/3 answer\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "10 3x+5y=22 is equation 1 \n" ); document.write( " 4x+3y=11 is equation 2 \n" ); document.write( " \n" ); document.write( " solve equation 1 \n" ); document.write( " 3x=22-5y \n" ); document.write( " x=22/3-5y/3 \n" ); document.write( " substitute in equation 2. \n" ); document.write( " \r \n" ); document.write( "\n" ); document.write( " 4(22/3-5y/3)+3y=11 \n" ); document.write( " 88/3-20y/3+3y=11 \n" ); document.write( " -20y+9y =3(11-88/3) \n" ); document.write( " -11y=3(-55/3) \n" ); document.write( " -11y=-55 both minus signs are cancelled \n" ); document.write( " 11y=55 \n" ); document.write( " y=5 \n" ); document.write( " \r \n" ); document.write( "\n" ); document.write( " 3x+5y=22 \n" ); document.write( " 3x+5(5)=22 \n" ); document.write( " 3x=22-25 \n" ); document.write( " 3x=-3 \n" ); document.write( " x=-1\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |