3(x-11)=21

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Solution for 3(x-11)=21 equation: 


Simplifying
3(x + -11) = 21

Reorder the terms:
3(-11 + x) = 21
(-11 * 3 + x * 3) = 21
(-33 + 3x) = 21

Solving
-33 + 3x = 21

Solving for variable 'x'.

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

Add '33' to each side of the equation.
-33 + 33 + 3x = 21 + 33

Combine like terms: -33 + 33 = 0
0 + 3x = 21 + 33
3x = 21 + 33

Combine like terms: 21 + 33 = 54
3x = 54

Divide each side by '3'.
x = 18

Simplifying
x = 18

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