-7(0.1x+0.3)-1.1=0.4

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Solution for -7(0.1x+0.3)-1.1=0.4 equation: 


Simplifying
-7(0.1x + 0.3) + -1.1 = 0.4

Reorder the terms:
-7(0.3 + 0.1x) + -1.1 = 0.4
(0.3 * -7 + 0.1x * -7) + -1.1 = 0.4
(-2.1 + -0.7x) + -1.1 = 0.4

Reorder the terms:
-2.1 + -1.1 + -0.7x = 0.4

Combine like terms: -2.1 + -1.1 = -3.2
-3.2 + -0.7x = 0.4

Solving
-3.2 + -0.7x = 0.4

Solving for variable 'x'.

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

Add '3.2' to each side of the equation.
-3.2 + 3.2 + -0.7x = 0.4 + 3.2

Combine like terms: -3.2 + 3.2 = 0.0
0.0 + -0.7x = 0.4 + 3.2
-0.7x = 0.4 + 3.2

Combine like terms: 0.4 + 3.2 = 3.6
-0.7x = 3.6

Divide each side by '-0.7'.
x = -5.142857143

Simplifying
x = -5.142857143

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