Question 47460
Simplifying
(x * 1.4) + -1x = 10

Reorder the terms for easier multiplication:
(1.4x) + -1x = 10

Combine like terms: (1.4x) + -1x = 0.4x
0.4x = 10

Solving
0.4x = 10

Move all terms containing x to the left, all other terms to the right.

Divide each side by '0.4'.
x = 25

Simplifying
x = 25

Hope this is what you are looking for