0.80x+0.05(4-x)=0.10(-43)

Solution for 0.80x+0.05(4-x)=0.10(-43) equation:

Simplifying
0.80x + 0.05(4 + -1x) = 0.10(-43)
0.80x + (4 * 0.05 + -1x * 0.05) = 0.10(-43)
0.80x + (0.2 + -0.05x) = 0.10(-43)

Reorder the terms:
0.2 + 0.80x + -0.05x = 0.10(-43)

Combine like terms: 0.80x + -0.05x = 0.75x
0.2 + 0.75x = 0.10(-43)

Multiply 0.10 * -43
0.2 + 0.75x = -4.3

Solving
0.2 + 0.75x = -4.3

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 + 0.75x = -4.3 + -0.2

Combine like terms: 0.2 + -0.2 = 0.0
0.0 + 0.75x = -4.3 + -0.2
0.75x = -4.3 + -0.2

Combine like terms: -4.3 + -0.2 = -4.5
0.75x = -4.5

Divide each side by '0.75'.
x = -6

Simplifying
x = -6