x+.4X=100

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Solution for x+.4X=100 equation:


Simplifying
x + 0.4X = 100

Reorder the terms:
0.4X + x = 100

Solving
0.4X + x = 100

Solving for variable 'X'.

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

Add '-1x' to each side of the equation.
0.4X + x + -1x = 100 + -1x

Combine like terms: x + -1x = 0
0.4X + 0 = 100 + -1x
0.4X = 100 + -1x

Divide each side by '0.4'.
X = 250 + -2.5x

Simplifying
X = 250 + -2.5x

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