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cindytx65
Mar 12, 2012, 07:44 AM
x + 4y=7 what is the value of x

ebaines
Mar 12, 2012, 10:13 AM
If you subtract 4y from both sides of the equaton this is what you get:


x + 4y - 4y = 7 - 4y


Since 4y-4y= 0 this becomes:


x + 0 = 7-4y, \\
x = 7 -4y


Hope this helps.