.4(x+80)+1.2x=9.6

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Solution for .4(x+80)+1.2x=9.6 equation: 


Simplifying
0.4(x + 80) + 1.2x = 9.6

Reorder the terms:
0.4(80 + x) + 1.2x = 9.6
(80 * 0.4 + x * 0.4) + 1.2x = 9.6
(32 + 0.4x) + 1.2x = 9.6

Combine like terms: 0.4x + 1.2x = 1.6x
32 + 1.6x = 9.6

Solving
32 + 1.6x = 9.6

Solving for variable 'x'.

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

Add '-32' to each side of the equation.
32 + -32 + 1.6x = 9.6 + -32

Combine like terms: 32 + -32 = 0
0 + 1.6x = 9.6 + -32
1.6x = 9.6 + -32

Combine like terms: 9.6 + -32 = -22.4
1.6x = -22.4

Divide each side by '1.6'.
x = -14

Simplifying
x = -14

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