-8(0.1x+0.3)-2.8=0.4

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Solution for -8(0.1x+0.3)-2.8=0.4 equation:


Simplifying
-8(0.1x + 0.3) + -2.8 = 0.4

Reorder the terms:
-8(0.3 + 0.1x) + -2.8 = 0.4
(0.3 * -8 + 0.1x * -8) + -2.8 = 0.4
(-2.4 + -0.8x) + -2.8 = 0.4

Reorder the terms:
-2.4 + -2.8 + -0.8x = 0.4

Combine like terms: -2.4 + -2.8 = -5.2
-5.2 + -0.8x = 0.4

Solving
-5.2 + -0.8x = 0.4

Solving for variable 'x'.

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

Add '5.2' to each side of the equation.
-5.2 + 5.2 + -0.8x = 0.4 + 5.2

Combine like terms: -5.2 + 5.2 = 0.0
0.0 + -0.8x = 0.4 + 5.2
-0.8x = 0.4 + 5.2

Combine like terms: 0.4 + 5.2 = 5.6
-0.8x = 5.6

Divide each side by '-0.8'.
x = -7

Simplifying
x = -7

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