<PRE><B>Question 1017182</B>
your two equations are:


3x - y/4 = 13


2x + 2y = 18


solve for y in the first equation to get y = 12x - 52.


replace y with 12x - 52 in the second equation to get:


2x + 2 * (12x - 52) = 18


solve for x to get x = 122/26


solve for y in the first equation to get y = 112/26.


your solution is that x = 122/26 and y = 112/26.


replace x and y with these values in both the original equations and you will find that they are true.


the mathematics is cumbersome.


if you have a calculator with more than one memory, it pays to do the math using your calculator and storing the results.


doing it that way, i got:


x = 4.692307692


y = 4.307692308





                   


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