0.9x-0.3(4-x)=1.8

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Solution for 0.9x-0.3(4-x)=1.8 equation: 


Simplifying
0.9x + -0.3(4 + -1x) = 1.8
0.9x + (4 * -0.3 + -1x * -0.3) = 1.8
0.9x + (-1.2 + 0.3x) = 1.8

Reorder the terms:
-1.2 + 0.9x + 0.3x = 1.8

Combine like terms: 0.9x + 0.3x = 1.2x
-1.2 + 1.2x = 1.8

Solving
-1.2 + 1.2x = 1.8

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 + 1.2x = 1.8 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + 1.2x = 1.8 + 1.2
1.2x = 1.8 + 1.2

Combine like terms: 1.8 + 1.2 = 3
1.2x = 3

Divide each side by '1.2'.
x = 2.5

Simplifying
x = 2.5

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