21=3(2x+111)

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Solution for 21=3(2x+111) equation:


Simplifying
21 = 3(2x + 111)

Reorder the terms:
21 = 3(111 + 2x)
21 = (111 * 3 + 2x * 3)
21 = (333 + 6x)

Solving
21 = 333 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
21 + -6x = 333 + 6x + -6x

Combine like terms: 6x + -6x = 0
21 + -6x = 333 + 0
21 + -6x = 333

Add '-21' to each side of the equation.
21 + -21 + -6x = 333 + -21

Combine like terms: 21 + -21 = 0
0 + -6x = 333 + -21
-6x = 333 + -21

Combine like terms: 333 + -21 = 312
-6x = 312

Divide each side by '-6'.
x = -52

Simplifying
x = -52

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