0.15x+0.05[16-x]=0.10[12]

Solution for 0.15x+0.05[16-x]=0.10[12] equation:

Simplifying
0.15x + 0.05[16 + -1x] = 0.10[12]
0.15x + [16 * 0.05 + -1x * 0.05] = 0.10[12]
0.15x + [0.8 + -0.05x] = 0.10[12]

Reorder the terms:
0.8 + 0.15x + -0.05x = 0.10[12]

Combine like terms: 0.15x + -0.05x = 0.1x
0.8 + 0.1x = 0.10[12]

Multiply 0.10 * 12
0.8 + 0.1x = 1.2

Solving
0.8 + 0.1x = 1.2

Solving for variable 'x'.

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

Add '-0.8' to each side of the equation.
0.8 + -0.8 + 0.1x = 1.2 + -0.8

Combine like terms: 0.8 + -0.8 = 0.0
0.0 + 0.1x = 1.2 + -0.8
0.1x = 1.2 + -0.8

Combine like terms: 1.2 + -0.8 = 0.4
0.1x = 0.4

Divide each side by '0.1'.
x = 4

Simplifying
x = 4