Answer: x=5, y=7
Explanation:
Since ΔEFG and ΔHIJ are congruent, we can set the corresponding sides equal to each other.
y+14=3y [subtract both sides by y]
14=2y [divide both sides by 2]
y=7
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10x=x+45 [subtract both sides by x]
9x=45 [divide both sides by 9]
x=5