4+0.4(6-0)=1.7(0)-3(0-0.5)

Solution for 4+0.4(6-0)=1.7(0)-3(0-0.5) equation:

Simplifying
4 + 0.4(6 + 0) = 1.7(0) + -3(0 + -0.5)

Combine like terms: 6 + 0 = 6
4 + 0.4(6) = 1.7(0) + -3(0 + -0.5)

Multiply 0.4 * 6
4 + 2.4 = 1.7(0) + -3(0 + -0.5)

Combine like terms: 4 + 2.4 = 6.4
6.4 = 1.7(0) + -3(0 + -0.5)

Multiply 1.7 * 0
6.4 = 0.0 + -3(0 + -0.5)

Anything times zero is zero.
6.4 = 0.0 + -3(0 + -0.5)

Combine like terms: 0 + -0.5 = -0.5
6.4 = 0.0 + -3(-0.5)

Multiply -3 * -0.5
6.4 = 0.0 + 1.5

Combine like terms: 0.0 + 1.5 = 1.5
6.4 = 1.5

Solving
6.4 = 1.5

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.