To solve this equation, first simplify the left side:
(7/8 - 0.2) * x = 8.1
(7/8 - 2/10) * x = 8.1
(35/40 - 16/80) * x = 8.1
(35/40 - 2/10) * x = 8.1
(9/40) * x = 8.1
Now multiply both sides by 40/9 to solve for x:
x = 8.1 * (40/9)
x = 36
Therefore, the value of x is 36.
To solve this equation, first simplify the left side:
(7/8 - 0.2) * x = 8.1
(7/8 - 2/10) * x = 8.1
(35/40 - 16/80) * x = 8.1
(35/40 - 2/10) * x = 8.1
(9/40) * x = 8.1
Now multiply both sides by 40/9 to solve for x:
x = 8.1 * (40/9)
x = 36
Therefore, the value of x is 36.