0.3(2.1x-4)=1.32

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Solution for 0.3(2.1x-4)=1.32 equation: 


Simplifying
0.3(2.1x + -4) = 1.32

Reorder the terms:
0.3(-4 + 2.1x) = 1.32
(-4 * 0.3 + 2.1x * 0.3) = 1.32
(-1.2 + 0.63x) = 1.32

Solving
-1.2 + 0.63x = 1.32

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 + 0.63x = 1.32 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + 0.63x = 1.32 + 1.2
0.63x = 1.32 + 1.2

Combine like terms: 1.32 + 1.2 = 2.52
0.63x = 2.52

Divide each side by '0.63'.
x = 4

Simplifying
x = 4

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