0.4(x+3)-0.2x=4

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


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

Reorder the terms:
0.4(3 + x) + -0.2x = 4
(3 * 0.4 + x * 0.4) + -0.2x = 4
(1.2 + 0.4x) + -0.2x = 4

Combine like terms: 0.4x + -0.2x = 0.2x
1.2 + 0.2x = 4

Solving
1.2 + 0.2x = 4

Solving for variable 'x'.

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

Add '-1.2' to each side of the equation.
1.2 + -1.2 + 0.2x = 4 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + 0.2x = 4 + -1.2
0.2x = 4 + -1.2

Combine like terms: 4 + -1.2 = 2.8
0.2x = 2.8

Divide each side by '0.2'.
x = 14

Simplifying
x = 14

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