document.write( "Question 100392: Okay. I'm horrible at Multistep Equations, so I'm asking for some assistance, obviously. Here's the problem:
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document.write( "2(y+2)+y = 19-(2y+3\r
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document.write( "I just need a walkthrough. I learn by example. \n" );
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Algebra.Com's Answer #73435 by ankor@dixie-net.com(22740) You can put this solution on YOUR website! 2(y+2)+y = 19-(2y+3) \n" ); document.write( ": \n" ); document.write( "Multiply what's inside the brackets, think of -1 being outside the (2y+3)you have: \n" ); document.write( "2y + 4 + y = 19 - 2y - 3) \n" ); document.write( ": \n" ); document.write( "Combine like terms on both sides: \n" ); document.write( "3y + 4 = 16 - 2y \n" ); document.write( ": \n" ); document.write( "We want to perform algebra operations to isolate y on the left and numbers on the right. \n" ); document.write( "Add 2y to both sides and you have: \n" ); document.write( "3y + 2y + 4 = 16 \n" ); document.write( ": \n" ); document.write( "Add the y's and subtract 4 from both sides: \n" ); document.write( "5y = 16 - 4 \n" ); document.write( ": \n" ); document.write( "5y = 12 \n" ); document.write( ": \n" ); document.write( "Divide both sides by 5 and you have; \n" ); document.write( "y = 12/5 \n" ); document.write( ": \n" ); document.write( "y = 2.4 \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check your solution by substituting 2.4 for y, in the original equation: \n" ); document.write( "Step-by-step \n" ); document.write( "2(y+2)+y = 19-(2y+3) \n" ); document.write( ": \n" ); document.write( "2(2.4 + 2)+ 2.4 = 19-(2(2.4)+ 3) \n" ); document.write( ": \n" ); document.write( "2(4.4) + 2.4 = 19 - (4.8 + 3) \n" ); document.write( ": \n" ); document.write( "8.8 + 2.4 = 19 - 7.8 \n" ); document.write( ": \n" ); document.write( "11.2 = 11.2; equality reigns, our solution is correct \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Can you understand this now? Any questions?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |