# For the linear equation y = 2x + 4, if x increases by 1 point, how much will y increase?

We will use the concept of linear equation in order to find increment in y.

## Answer: There is an increment of 2 units in y.

Let us see how we will use the concept of linear equation in order to find increment in y.

**Explanation**:

We have been given a linear equation, that is, y = 2x + 4.

It is given that x increases by one point, means that x becomes (x + 1).

Now let us substitute the new value of x, that is, (x + 1) in the equation.

Hence, y' = 2(x + 1) + 4

y' = 2x + 2 + 4

y' = y + 2

### Hence, if there is an increment of 1 unit in x then there is an increment of 2 units in y.

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