-3(0.2x+4)=0.4x+9

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Solution for -3(0.2x+4)=0.4x+9 equation:


Simplifying
-3(0.2x + 4) = 0.4x + 9

Reorder the terms:
-3(4 + 0.2x) = 0.4x + 9
(4 * -3 + 0.2x * -3) = 0.4x + 9
(-12 + -0.6x) = 0.4x + 9

Reorder the terms:
-12 + -0.6x = 9 + 0.4x

Solving
-12 + -0.6x = 9 + 0.4x

Solving for variable 'x'.

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

Add '-0.4x' to each side of the equation.
-12 + -0.6x + -0.4x = 9 + 0.4x + -0.4x

Combine like terms: -0.6x + -0.4x = -1x
-12 + -1x = 9 + 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
-12 + -1x = 9 + 0.0
-12 + -1x = 9

Add '12' to each side of the equation.
-12 + 12 + -1x = 9 + 12

Combine like terms: -12 + 12 = 0
0 + -1x = 9 + 12
-1x = 9 + 12

Combine like terms: 9 + 12 = 21
-1x = 21

Divide each side by '-1'.
x = -21

Simplifying
x = -21

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