-0.3x+2.1(x-4)=-6.6

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Solution for -0.3x+2.1(x-4)=-6.6 equation: 


Simplifying
-0.3x + 2.1(x + -4) = -6.6

Reorder the terms:
-0.3x + 2.1(-4 + x) = -6.6
-0.3x + (-4 * 2.1 + x * 2.1) = -6.6
-0.3x + (-8.4 + 2.1x) = -6.6

Reorder the terms:
-8.4 + -0.3x + 2.1x = -6.6

Combine like terms: -0.3x + 2.1x = 1.8x
-8.4 + 1.8x = -6.6

Solving
-8.4 + 1.8x = -6.6

Solving for variable 'x'.

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

Add '8.4' to each side of the equation.
-8.4 + 8.4 + 1.8x = -6.6 + 8.4

Combine like terms: -8.4 + 8.4 = 0.0
0.0 + 1.8x = -6.6 + 8.4
1.8x = -6.6 + 8.4

Combine like terms: -6.6 + 8.4 = 1.8
1.8x = 1.8

Divide each side by '1.8'.
x = 1

Simplifying
x = 1

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