3x+2+(1.6x-1.6)=-18

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Solution for 3x+2+(1.6x-1.6)=-18 equation: 


Simplifying
3x + 2 + (1.6x + -1.6) = -18

Reorder the terms:
3x + 2 + (-1.6 + 1.6x) = -18

Remove parenthesis around (-1.6 + 1.6x)
3x + 2 + -1.6 + 1.6x = -18

Reorder the terms:
2 + -1.6 + 3x + 1.6x = -18

Combine like terms: 2 + -1.6 = 0.4
0.4 + 3x + 1.6x = -18

Combine like terms: 3x + 1.6x = 4.6x
0.4 + 4.6x = -18

Solving
0.4 + 4.6x = -18

Solving for variable 'x'.

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

Add '-0.4' to each side of the equation.
0.4 + -0.4 + 4.6x = -18 + -0.4

Combine like terms: 0.4 + -0.4 = 0.0
0.0 + 4.6x = -18 + -0.4
4.6x = -18 + -0.4

Combine like terms: -18 + -0.4 = -18.4
4.6x = -18.4

Divide each side by '4.6'.
x = -4

Simplifying
x = -4

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