document.write( "Question 906193: I don't understand how to do this
\n" ); document.write( "0.7z + 1.9 + 0.1z = 5.5 - 0.4z\r
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Algebra.Com's Answer #549661 by richwmiller(17219)\"\" \"About 
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bring the -.4z to the left by adding .4z to both sides
\n" ); document.write( "bring the 1.9 to the right by subtracting 1.9 from both sides
\n" ); document.write( "now add up all the z's on the left
\n" ); document.write( "add the two numbers on the right.\r
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