Question

What is the solution to the equation 2x+4-12=20
x=0
x=1
x=2
x=9

Answer 1

x should equal 14 is that not an answer?

Answer 2

x=2

Explanation:

Given a linear equation with x as a variable

The equation is

`2x^4+4-12 =20`

Now add 12 to both the sides

`2x^4 =20+12 = 32`

Divide by 2

`x^4 = 16`

Take 4th root both the sides

we get

x =2

So answer is x=2

Verify:

Substitute 2 for x in the equation given and check

Left side =
`2(2^4) -12 = 32-12 =20\\= Right side`

Verified