0.4(x-50)=0.2+12

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Solution for 0.4(x-50)=0.2+12 equation: 


Simplifying
0.4(x + -50) = 0.2 + 12

Reorder the terms:
0.4(-50 + x) = 0.2 + 12
(-50 * 0.4 + x * 0.4) = 0.2 + 12
(-20 + 0.4x) = 0.2 + 12

Combine like terms: 0.2 + 12 = 12.2
-20 + 0.4x = 12.2

Solving
-20 + 0.4x = 12.2

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 0.4x = 12.2 + 20

Combine like terms: -20 + 20 = 0
0 + 0.4x = 12.2 + 20
0.4x = 12.2 + 20

Combine like terms: 12.2 + 20 = 32.2
0.4x = 32.2

Divide each side by '0.4'.
x = 80.5

Simplifying
x = 80.5

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