Question

what must be subtracted from 1-2x to get 1?
a) 1 b)-2x c) 2x d) -1​

Answer 1

Answer:

1-2x-(-1)

1-2x+1

-2x +2=0

-2x=-2

x=2\2

x=1

that's also the solution this question have two solution

Answer 2

Answer:

Option (b) that is -2x must be subtracted from 1-2x to get 1.

Let us try the hit-and-trial method to find the correct answer.

Option (a) is 1

1 - 2x -1 =-2x so this option is wrong.

Option (c) is 2x

1 - 2x - 2x = 1 - 4x that mean this option is also wrong.

Option  (d) is -1

1 - 2x - (-1) = 2 -2x which is also wrong option.

Now,

Option (b) is -2x

1 - 2x -(-2x) = 1 therefore, it is the right option.

Know more about the hit and trial method here:

https://brainly.in/question/384691

Know more about subtraction here:

https://brainly.in/question/51608484

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