21(x+9)=252

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Solution for 21(x+9)=252 equation: 


Simplifying
21(x + 9) = 252

Reorder the terms:
21(9 + x) = 252
(9 * 21 + x * 21) = 252
(189 + 21x) = 252

Solving
189 + 21x = 252

Solving for variable 'x'.

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

Add '-189' to each side of the equation.
189 + -189 + 21x = 252 + -189

Combine like terms: 189 + -189 = 0
0 + 21x = 252 + -189
21x = 252 + -189

Combine like terms: 252 + -189 = 63
21x = 63

Divide each side by '21'.
x = 3

Simplifying
x = 3

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