4x-3y =14, 7x+8y=51 what is the value of X?
An obvious system. Elimination seems suggested here. Eliminate the Y terms.
8(4X - 3Y = 14)
3(7X + 8Y = 51)
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32X - 24Y = 112
21X + 24Y = 153
+------+ ( add)
53X = 265
X = 5
======Find Y and check both equations if you so desire.