0.60x+.05(4-x)=.10(-20)

Solution for 0.60x+.05(4-x)=.10(-20) equation:

Simplifying
0.60x + 0.05(4 + -1x) = 0.10(-20)
0.60x + (4 * 0.05 + -1x * 0.05) = 0.10(-20)
0.60x + (0.2 + -0.05x) = 0.10(-20)

Reorder the terms:
0.2 + 0.60x + -0.05x = 0.10(-20)

Combine like terms: 0.60x + -0.05x = 0.55x
0.2 + 0.55x = 0.10(-20)

Multiply 0.10 * -20
0.2 + 0.55x = -2

Solving
0.2 + 0.55x = -2

Solving for variable 'x'.

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

Add '-0.2' to each side of the equation.
0.2 + -0.2 + 0.55x = -2 + -0.2

Combine like terms: 0.2 + -0.2 = 0.0
0.0 + 0.55x = -2 + -0.2
0.55x = -2 + -0.2

Combine like terms: -2 + -0.2 = -2.2
0.55x = -2.2

Divide each side by '0.55'.
x = -4

Simplifying
x = -4