12-(.8)(x+15)=4

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Solution for 12-(.8)(x+15)=4 equation: 


Simplifying
12 + -1(0.8)(x + 15) = 4

Reorder the terms:
12 + -1 * 0.8(15 + x) = 4

Multiply -1 * 0.8
12 + -0.8(15 + x) = 4
12 + (15 * -0.8 + x * -0.8) = 4
12 + (-12 + -0.8x) = 4

Combine like terms: 12 + -12 = 0
0 + -0.8x = 4
-0.8x = 4

Solving
-0.8x = 4

Solving for variable 'x'.

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

Divide each side by '-0.8'.
x = -5

Simplifying
x = -5

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