-7(0.1x+0.2)-1.1=-0.4

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Solution for -7(0.1x+0.2)-1.1=-0.4 equation: 


Simplifying
-7(0.1x + 0.2) + -1.1 = -0.4

Reorder the terms:
-7(0.2 + 0.1x) + -1.1 = -0.4
(0.2 * -7 + 0.1x * -7) + -1.1 = -0.4
(-1.4 + -0.7x) + -1.1 = -0.4

Reorder the terms:
-1.4 + -1.1 + -0.7x = -0.4

Combine like terms: -1.4 + -1.1 = -2.5
-2.5 + -0.7x = -0.4

Solving
-2.5 + -0.7x = -0.4

Solving for variable 'x'.

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

Add '2.5' to each side of the equation.
-2.5 + 2.5 + -0.7x = -0.4 + 2.5

Combine like terms: -2.5 + 2.5 = 0.0
0.0 + -0.7x = -0.4 + 2.5
-0.7x = -0.4 + 2.5

Combine like terms: -0.4 + 2.5 = 2.1
-0.7x = 2.1

Divide each side by '-0.7'.
x = -3

Simplifying
x = -3

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