0.7x-0.9(4-x)=5.2

Solution for 0.7x-0.9(4-x)=5.2 equation:

Simplifying
0.7x + -0.9(4 + -1x) = 5.2
0.7x + (4 * -0.9 + -1x * -0.9) = 5.2
0.7x + (-3.6 + 0.9x) = 5.2

Reorder the terms:
-3.6 + 0.7x + 0.9x = 5.2

Combine like terms: 0.7x + 0.9x = 1.6x
-3.6 + 1.6x = 5.2

Solving
-3.6 + 1.6x = 5.2

Solving for variable 'x'.

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

Add '3.6' to each side of the equation.
-3.6 + 3.6 + 1.6x = 5.2 + 3.6

Combine like terms: -3.6 + 3.6 = 0.0
0.0 + 1.6x = 5.2 + 3.6
1.6x = 5.2 + 3.6

Combine like terms: 5.2 + 3.6 = 8.8
1.6x = 8.8

Divide each side by '1.6'.
x = 5.5

Simplifying
x = 5.5