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6 + x = x - 8
6 + 8 = 2x
14 = 2x
7 = x
5 + x + 1 = 2x - 20
2x - x = 20 + 5 + 1
x = 26
b. (p-2) = p -
p - 2 = 2(p - )
p - 2 = 2p -
2p - p = - 2
p = - = - = -