document.write( "Question 71004: CAN YOU PLEASE HELP ME SOLVE THESE EQUATIONS? 3X+2Y=17, 84-18X=10X, 4(x+8)=6x-2 AND 4(7+5)
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document.write( " 2+1 THANKS IN ADVANCE! \n" );
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Algebra.Com's Answer #50876 by elima(1433)![]() ![]() ![]() You can put this solution on YOUR website! 3X+2Y=17; \n" ); document.write( "For this equation, you choose a number for x and solve the equation for y; \n" ); document.write( "lets start with making x=1; \n" ); document.write( "3(1)+2y=17 \n" ); document.write( "3+2y=17 \n" ); document.write( "Now subtract 3 from both sides; \n" ); document.write( "2y=17-3 \n" ); document.write( "2y = 14 \n" ); document.write( "Divide each side by 2; \n" ); document.write( " \n" ); document.write( "y=7 \n" ); document.write( "Now plug in 7 for y in the equation; \n" ); document.write( "3x+2(7)=17 \n" ); document.write( "3x+14=17 \n" ); document.write( "subtract 14 from both sides; \n" ); document.write( "3x=17-14 \n" ); document.write( "3x=3 \n" ); document.write( "Divide each side by 3; \n" ); document.write( " \n" ); document.write( "x=1 \n" ); document.write( "so you have; \n" ); document.write( "x=1 and y=7\r \n" ); document.write( "\n" ); document.write( " 84-18X=10X; \n" ); document.write( "first add 18x to both sides; \n" ); document.write( "84-18x+18x=10x+18x \n" ); document.write( "84=28x \n" ); document.write( "divide each side by 28; \n" ); document.write( " \n" ); document.write( "x=3\r \n" ); document.write( "\n" ); document.write( "4(x+8)=6x-2 \n" ); document.write( "distribute the 4; \n" ); document.write( "4x+32=6x-2 \n" ); document.write( "subtract 4x from both sides; \n" ); document.write( "32=6x-2-4x \n" ); document.write( "32=2x-2 \n" ); document.write( "add 2 to both sides; \n" ); document.write( "32+2=2x \n" ); document.write( "34=2x \n" ); document.write( "divide 2 from both sides; \n" ); document.write( " \n" ); document.write( "17=x\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "distribute the 4; \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "16 \n" ); document.write( ":)\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |