-3(9+7x)=225

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Solution for -3(9+7x)=225 equation: 


Simplifying
-3(9 + 7x) = 225
(9 * -3 + 7x * -3) = 225
(-27 + -21x) = 225

Solving
-27 + -21x = 225

Solving for variable 'x'.

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

Add '27' to each side of the equation.
-27 + 27 + -21x = 225 + 27

Combine like terms: -27 + 27 = 0
0 + -21x = 225 + 27
-21x = 225 + 27

Combine like terms: 225 + 27 = 252
-21x = 252

Divide each side by '-21'.
x = -12

Simplifying
x = -12

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