-3.4*0.4+8*0.4x-0.5=0

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Solution for -3.4*0.4+8*0.4x-0.5=0 equation: 


Simplifying
-3.4 * 0.4 + 8 * 0.4x + -0.5 = 0

Multiply -3.4 * 0.4
-1.36 + 8 * 0.4x + -0.5 = 0

Multiply 8 * 0.4
-1.36 + 3.2x + -0.5 = 0

Reorder the terms:
-1.36 + -0.5 + 3.2x = 0

Combine like terms: -1.36 + -0.5 = -1.86
-1.86 + 3.2x = 0

Solving
-1.86 + 3.2x = 0

Solving for variable 'x'.

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

Add '1.86' to each side of the equation.
-1.86 + 1.86 + 3.2x = 0 + 1.86

Combine like terms: -1.86 + 1.86 = 0.00
0.00 + 3.2x = 0 + 1.86
3.2x = 0 + 1.86

Combine like terms: 0 + 1.86 = 1.86
3.2x = 1.86

Divide each side by '3.2'.
x = 0.58125

Simplifying
x = 0.58125

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