-3(4x+4.1)+2.2=19.9

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Solution for -3(4x+4.1)+2.2=19.9 equation: 


Simplifying
-3(4x + 4.1) + 2.2 = 19.9

Reorder the terms:
-3(4.1 + 4x) + 2.2 = 19.9
(4.1 * -3 + 4x * -3) + 2.2 = 19.9
(-12.3 + -12x) + 2.2 = 19.9

Reorder the terms:
-12.3 + 2.2 + -12x = 19.9

Combine like terms: -12.3 + 2.2 = -10.1
-10.1 + -12x = 19.9

Solving
-10.1 + -12x = 19.9

Solving for variable 'x'.

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

Add '10.1' to each side of the equation.
-10.1 + 10.1 + -12x = 19.9 + 10.1

Combine like terms: -10.1 + 10.1 = 0.0
0.0 + -12x = 19.9 + 10.1
-12x = 19.9 + 10.1

Combine like terms: 19.9 + 10.1 = 30
-12x = 30

Divide each side by '-12'.
x = -2.5

Simplifying
x = -2.5

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