1. Give first the step you will use to separate the variable and then solve the equation:
(a)x-1=0 (b) x + 1 = 0 (c) x - 1 = 5 (d) x + 6 = 2
(e) y - 4 =-7 (f) y - 4 = 4 (g) y + 4 = 4 (h) y+ 4 = - 4
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