0.25x+0.10(x-4)=3.80

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Solution for 0.25x+0.10(x-4)=3.80 equation: 


Simplifying
0.25x + 0.10(x + -4) = 3.80

Reorder the terms:
0.25x + 0.10(-4 + x) = 3.80
0.25x + (-4 * 0.10 + x * 0.10) = 3.80
0.25x + (-0.4 + 0.10x) = 3.80

Reorder the terms:
-0.4 + 0.25x + 0.10x = 3.80

Combine like terms: 0.25x + 0.10x = 0.35x
-0.4 + 0.35x = 3.80

Solving
-0.4 + 0.35x = 3.80

Solving for variable 'x'.

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

Add '0.4' to each side of the equation.
-0.4 + 0.4 + 0.35x = 3.80 + 0.4

Combine like terms: -0.4 + 0.4 = 0.0
0.0 + 0.35x = 3.80 + 0.4
0.35x = 3.80 + 0.4

Combine like terms: 3.80 + 0.4 = 4.2
0.35x = 4.2

Divide each side by '0.35'.
x = 12

Simplifying
x = 12

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