.4(3+2X)+1.5X=3.2

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Solution for .4(3+2X)+1.5X=3.2 equation: 


Simplifying
0.4(3 + 2X) + 1.5X = 3.2
(3 * 0.4 + 2X * 0.4) + 1.5X = 3.2
(1.2 + 0.8X) + 1.5X = 3.2

Combine like terms: 0.8X + 1.5X = 2.3X
1.2 + 2.3X = 3.2

Solving
1.2 + 2.3X = 3.2

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 + 2.3X = 3.2 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + 2.3X = 3.2 + -1.2
2.3X = 3.2 + -1.2

Combine like terms: 3.2 + -1.2 = 2
2.3X = 2

Divide each side by '2.3'.
X = 0.8695652174

Simplifying
X = 0.8695652174

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