document.write( "Question 159009: Can you help me with this?
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document.write( "A= h (B+b);B
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Algebra.Com's Answer #117210 by midwood_trail(310) ![]() You can put this solution on YOUR website! Can you help me with this? \n" ); document.write( " \n" ); document.write( "A = h/2(B + b)...Solve for B\r \n" ); document.write( "\n" ); document.write( "We can write h/2(B + b) as a single number over 2 this way:\r \n" ); document.write( "\n" ); document.write( "A = [h(B+b)]/2\r \n" ); document.write( "\n" ); document.write( "Apply the distributive property in the numerator.\r \n" ); document.write( "\n" ); document.write( "A = (hB + hb)/2\r \n" ); document.write( "\n" ); document.write( "We now have to remove the fraction on the right side.\r \n" ); document.write( "\n" ); document.write( "We do this by multiplying both sides by 2.\r \n" ); document.write( "\n" ); document.write( "2A = hB + hb\r \n" ); document.write( "\n" ); document.write( "Now subtract hb from both sides of the equation.\r \n" ); document.write( "\n" ); document.write( "Why are we doing all of this?\r \n" ); document.write( "\n" ); document.write( "The goal is to ISOLATE B. This is what is meant by solve for B.\r \n" ); document.write( "\n" ); document.write( "2A - hb = hB\r \n" ); document.write( "\n" ); document.write( "Notice that we are solving for upper case B not lower case b.\r \n" ); document.write( "\n" ); document.write( "Next and finally, divide both sides of the equation by h to find B.\r \n" ); document.write( "\n" ); document.write( "(2A - hb)/h = B\r \n" ); document.write( "\n" ); document.write( "We can reduce the left side a little more and get our final answer:\r \n" ); document.write( "\n" ); document.write( "(2A/h) - b = B\r \n" ); document.write( "\n" ); document.write( "Did you follow? \n" ); document.write( " \n" ); document.write( " |