X -1÷8 = 20 then X equals
2 answers:
<span>x -1÷8 = 20 :
x - 1 / 8 = 20 ( multiply both sides by 8 ) :
x * 8 - 1/8 * 8 = 20 * 8
Refine:
8 x - 1 = 160 ( add 1 to both sides : )
8 x - 1 + 1 = 160 + 1
8 x = 161
Divide both sides by 8 :
8 x /8 = 161/8
x = 161 / 8 decimal = 20.125
hope this helps!
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First, multiply each side by 8 to get x-1=160, then add one to each side to get x=161. So, in conclusion, x=161! Hope this helped!
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