M = 135/19 and n = -5/19
You have to give them like terms so that when you eliminate they cancel out and you can solve. The easiest way to do so is by multiplying the top equation by -4 and the bottom by 3.
<h3><u>
The value of a is equal to 5.5</u></h3>
-22 = 11 - 6a
<em><u>Add 6a to both sides.</u></em>
6a - 22 = 11
<em><u>Add 22 to both sides.</u></em>
6a = 33
<em><u>Divide both sides by 6.</u></em>
a = 5.5
You can substitute the value of y(5/6 x + 1) from the first equation for y in the second and get
which becomes
and you get
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It’s the bottom one. XZ/PR = XY/PQ
