Solve for y
y=x-1.23455842558245559858755
Solve for x
x=y+1.23455842558245559858755
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-y=1.23455842558245559858755-x
Subtract x from both sides.
\frac{-y}{-1}=\frac{1.23455842558245559858755-x}{-1}
Divide both sides by -1.
y=\frac{1.23455842558245559858755-x}{-1}
Dividing by -1 undoes the multiplication by -1.
y=x-1.23455842558245559858755
Divide 1.23455842558245559858755-x by -1.
x=1.23455842558245559858755+y
Add y to both sides.
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