The price of a watch was increased by 20% to £198.
What was the price before the increase?

The price of the watch before the increase is £165.

Step-by-step explanation:

Given,

After increasing 20% price of a watch is £198

To find the price of the watch before increase.

Let,

The price of the watch is x

According to the problem,

x+x × 20% = 198

or, x+ = 198

or, = 198

or, x =

= 165

Hence,

The price of the watch before the increase is £165.

it is x=-4

step-by-step explanation:

if you was gonna solve for a, a is a   < -12