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A=1/2bh
\n" ); document.write( "Solve for h.
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\n" ); document.write( "The idea is to isolate the variable 'h' to one side of the equation -- doesn't matter which side.
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\n" ); document.write( "Starting with:
\n" ); document.write( "A=1/2bh
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\n" ); document.write( "Let's start by moving the 'b'. Since 'b' is being \"multiplied\" to 'h', to move it, do the opposite operation -- \"divide\" BOTH sides by 'b' to get:
\n" ); document.write( "A/b = [1/2bh]/b
\n" ); document.write( "The 'b's cancel on the right leaving:
\n" ); document.write( "A/b = 1/2h
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\n" ); document.write( "Finally, to move the 1/2 -- multiply both sides by it's reciprocal -- 2/1:
\n" ); document.write( "(2/1)[A/b] = (2/1)[1/2h]
\n" ); document.write( "On the left we get:
\n" ); document.write( "2A/b = (2/1)[1/2h]
\n" ); document.write( "On the right the 2s and the 1s cancel leaving:
\n" ); document.write( "2A/b = h
\n" ); document.write( "That's it, you're done.
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\n" ); document.write( "The equation now says, that the height 'h' is equal to two times the area 'A' divided by the base 'b'.\r
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