Question

2(x-11)+5-1
What is x

Answer 1

2x-18

Explanation:

`2(x-11)+5-1\\`

Expand

`2\left(x-11\right):\quad 2x-22`

Slot it into the equation

`=2x-22+5-1`

Add/subtract the numbers

`-22+5-1=-18\\\\=2x-18`

Answer 2

9

Explanation:

2(x-11) + 5-1

We can use the distributive property:

2x - 22 + 5 - 1

We can then simplify:

2x - 18

In this case, if 2x - 18 = 0, then 2x = 18 and x = 9.