4x-100=400

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Solution for 4x-100=400 equation: 


Simplifying
4x + -100 = 400

Reorder the terms:
-100 + 4x = 400

Solving
-100 + 4x = 400

Solving for variable 'x'.

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

Add '100' to each side of the equation.
-100 + 100 + 4x = 400 + 100

Combine like terms: -100 + 100 = 0
0 + 4x = 400 + 100
4x = 400 + 100

Combine like terms: 400 + 100 = 500
4x = 500

Divide each side by '4'.
x = 125

Simplifying
x = 125

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