Question

What is the x intercept of 2x + 4y = 20

Answer 1

`x = 10`

Explanation:

To find x-intercept/zero, substitute y = 0.

`2x + 4 * 0 = 20`

Any expression multiplied by 0 equals 0.

`2x + 0 = 20`

When adding or subtracting 0, the quantify does not change.

`2x = 20`

Divide both side of the equation by 2:

`x = 10`

Answer 2

10

Explanation:

x- intercept is where the equation intersect the x-axis. So, at x-axis y = 0

2x + 4*0 = 20

2x = 20

Divide both sides by 2

2x /2 = 20/2

x = 10