If X - 42 = 0 then X = ?

We know that X - 42 = 0

If we add or subtract same number on the both sides of an equation, the equation remains the same.

So, adding 42 on both sides of the equation, we get

X - 42 + 42 = 0 + 42

If we calculate -42 + 42, it is equal to 0

So, X - 0 = 0 + 42
Thus, X = 42.

We can also solve this problem simply by remembering the rule that a number with negative sign on left hand side of a equation will turn positive, if we transfer it to right hand side of the equation and vice-versa.

In X - 42 = 0, if we transfer 42 from left hand side of the equation to right hand side,

We simply get, X = 42

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X - 42 = 0
X - 42 + 42 = 0 + 42
X = 42

X - 42= 0 then X= 0

X = 42

42

What number when subtracted by 42 will equal to zero?

+42

X = 42

42.

42