document.write( "Question 1061108: Solve the following equation using the four steps.\r
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document.write( "−4(5t−1)=2(3−10t)−2
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document.write( "t=?\r
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document.write( "Find the slope of a line parallel to the line that crosses (3,−4) and the y-intercept is (0,2).\r
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document.write( "Please help me. Im so confused :(
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Algebra.Com's Answer #675938 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Solve the following equation using the four steps.\r \n" ); document.write( "\n" ); document.write( "-4(5t - 1) = 2(3-10t) - 2 \n" ); document.write( "t=? \n" ); document.write( "---- \n" ); document.write( "Step 1: \n" ); document.write( "Multiply to get rid of the parentheses. \n" ); document.write( "-20t + 4 = 6t - 20t - 2 \n" ); document.write( "any problem with that? \n" ); document.write( "Collect terms. \n" ); document.write( "-20t + 4 = -14t - 2 \n" ); document.write( "Add 20t to each side \n" ); document.write( "4 = 6t - 2 \n" ); document.write( "Add 2 to each side \n" ); document.write( "6 = 6t \n" ); document.write( "---------------- \n" ); document.write( "t = 1 \n" ); document.write( "=========================================\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Find the slope of a line parallel to the line that crosses (3,-4) and the y-intercept is (0,2). \n" ); document.write( "------ \n" ); document.write( "You have 2 points, (3,-4) and (0,2) \n" ); document.write( "Step 1, find the slope, m, of the line thru the 2 points. \n" ); document.write( "--- \n" ); document.write( "m = diffy/diffx ie, (change in y) over (change in x) for the 2 \n" ); document.write( "points. \n" ); document.write( "--- \n" ); document.write( "diffy = -4 - 2 = -6 \n" ); document.write( "diffx = 3 - 0 = 3 \n" ); document.write( "m = -6/3 = -2 \n" ); document.write( "------- \n" ); document.write( "All parallel lines have the same slope. \n" ); document.write( "--> the slope of a parallel line = -2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |