100x-900=300

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Solution for 100x-900=300 equation: 


Simplifying
100x + -900 = 300

Reorder the terms:
-900 + 100x = 300

Solving
-900 + 100x = 300

Solving for variable 'x'.

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

Add '900' to each side of the equation.
-900 + 900 + 100x = 300 + 900

Combine like terms: -900 + 900 = 0
0 + 100x = 300 + 900
100x = 300 + 900

Combine like terms: 300 + 900 = 1200
100x = 1200

Divide each side by '100'.
x = 12

Simplifying
x = 12

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