Question
If 3 (x-1) + 3
>(x+1) = 30, then what is the value of 3 (x+2) + 3 x ?Solution
3 (x-1) + 3 (x+1) = 30 => 3x/3 + 3x*3 = 30 => 3 x + 3 x*3*3 = 30*3 => 3 x + 3 x*32 = 90 => 3 (x+2) + 3 x = 90
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