document.write( "Question 578826: Please can you help me solve these equations?
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document.write( "I dont understand how to start it. Any help will be appreciated.\r
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document.write( "-1 -8y = -10\r
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document.write( "-w -8 = 2 + 5w\r
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document.write( "-3 -8t = 12 -3t
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Algebra.Com's Answer #370812 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! -1 -8y = -10 \n" ); document.write( "-w -8 = 2 + 5w \n" ); document.write( "-3 -8t = 12 -3t \n" ); document.write( ": \n" ); document.write( "Assume you want to solve these. \n" ); document.write( " Perform various operations on both sides of the equation to isolate the variable on one side (usually the left) keeping in mind that the variable has to be positive. \n" ); document.write( ": \n" ); document.write( "-1 - 8y = -10 \n" ); document.write( "add 1 to both sides \n" ); document.write( "-1 + 1 -8y = -10 + 1 \n" ); document.write( "-8y = -9 \n" ); document.write( "Multiply both sides by -1 to make y positive \n" ); document.write( "8y = 9 \n" ); document.write( "divide both sides by 8 \n" ); document.write( "1y = \n" ); document.write( "or just \n" ); document.write( "y = \n" ); document.write( ": \n" ); document.write( "Check the solution in the original problem, replace y with \n" ); document.write( "-1 - 8(9/8) = -10 \n" ); document.write( "cancel 8 and you have \n" ); document.write( "-1 - 9 = -10, equality! Solution is correct \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "-w -8 = 2 + 5w \n" ); document.write( "Subtract 5w from both sides and you have \n" ); document.write( "-w - 5w - 8 = 2 \n" ); document.write( "add the w's and add 8 to both sides and you have \n" ); document.write( "-6w = 2 + 8 \n" ); document.write( "-6w - 10 \n" ); document.write( "W has to positive, multiply both sides by -1 \n" ); document.write( "6w = -10 \n" ); document.write( "divide both sides by 6 \n" ); document.write( "w = \n" ); document.write( ": \n" ); document.write( "Check solution in original problem, replace w with \n" ); document.write( "- \n" ); document.write( "minus a minus is plus \n" ); document.write( " \n" ); document.write( "Change everything to 6th \n" ); document.write( " \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "; \n" ); document.write( "-3 - 8t = 12 - 3t \n" ); document.write( "add 3 to both sides \n" ); document.write( "-8t = 12 + 3 - 3t \n" ); document.write( "Add 3t to both sides \n" ); document.write( "-8t + 3t = 15 \n" ); document.write( "-5t = 15 \n" ); document.write( "t has to be positive, multiply both sides by -1 \n" ); document.write( "5t = -15 \n" ); document.write( "divide both side by 5 \n" ); document.write( "t = \n" ); document.write( "t = -3 \n" ); document.write( ": \n" ); document.write( "Check solution in original problem \n" ); document.write( "-3 - 8(-3) = 12 - 3(-3) \n" ); document.write( "-3 + 24 = 12 + 9 \n" ); document.write( "21 = 21 \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "did you understand what went on here, if not, study each step carefully and let me know how you're doing. C \n" ); document.write( " |