Question

en
$m = y {}^{2} - y {}^{1} \div x { }^{2} - x {}^{1}$
despejar
$x {}^{2}$

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Answer 1

M=Y2-y/x2-x
M+y/x2=y2-x
Y/x2=y2-x-m
X2=y2-x-m/y