Add one to both sides to get 3x = 21
Then divide both sides by three to get x = 7
Chat with our AI personalities
1-3x1=3x 1/3=x
To solve for x, we'd have to know what this expression equals.
40
6x-20 = 8x 6x-8x = 20 -2x = 20 x = -10
The question cannot be answered because, as it appears, it makes no sense.