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Solve for x
You want to get rid of the denominators, multiply the equation by a number
that is a multiple of both denominators. In this case 20 would do it.
Cancel out the denominators and you have:
4*(2) = x - 2
8 = x - 2
8 + 2 = x; added 2 to both sides
x = 10
Check solution by substitute in the original equation:
; 8/20 reduces to 2/5