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add -1 to each side
Either 5x-2 = -10 or -(5x-2) = -10
Take 5x-2 = -10 first
add 2 to each side
5x = -8
x = -8/5
Now -(5x-2) = -10
-5x + 2 = -10
add -2 to each side
-5x = -12
divide each side by -5
x = 12/5
So x = -8/5 or x = 12/5