.21x+4=.25x-4

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Solution for .21x+4=.25x-4 equation:


Simplifying
0.21x + 4 = 0.25x + -4

Reorder the terms:
4 + 0.21x = 0.25x + -4

Reorder the terms:
4 + 0.21x = -4 + 0.25x

Solving
4 + 0.21x = -4 + 0.25x

Solving for variable 'x'.

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

Add '-0.25x' to each side of the equation.
4 + 0.21x + -0.25x = -4 + 0.25x + -0.25x

Combine like terms: 0.21x + -0.25x = -0.04x
4 + -0.04x = -4 + 0.25x + -0.25x

Combine like terms: 0.25x + -0.25x = 0.00
4 + -0.04x = -4 + 0.00
4 + -0.04x = -4

Add '-4' to each side of the equation.
4 + -4 + -0.04x = -4 + -4

Combine like terms: 4 + -4 = 0
0 + -0.04x = -4 + -4
-0.04x = -4 + -4

Combine like terms: -4 + -4 = -8
-0.04x = -8

Divide each side by '-0.04'.
x = 200

Simplifying
x = 200

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