228-21x=-213

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Solution for 228-21x=-213 equation: 


Simplifying
228 + -21x = -213

Solving
228 + -21x = -213

Solving for variable 'x'.

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

Add '-228' to each side of the equation.
228 + -228 + -21x = -213 + -228

Combine like terms: 228 + -228 = 0
0 + -21x = -213 + -228
-21x = -213 + -228

Combine like terms: -213 + -228 = -441
-21x = -441

Divide each side by '-21'.
x = 21

Simplifying
x = 21

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