Gosh... 4X plus 6 equals 30... This concludes to: 4X= 4 x X All you have to do is work back wards!!!! I'm only in year 6!! 30-6=24 Which mean 4 x X=24 X=6!!!!!!!!! =D
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If 4x=120, x=30.
x = -½
Only if 4 dollars plus 4 dollars equals 8 dollars.And if you had another 4x, you'd have a dozen-x.
If: 4x+(-12) = 8 then 4x = 20 and x = 5
If: 3x+5 = 4x+1 Then: x = 4