12x+21=3x+174

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Solution for 12x+21=3x+174 equation:


Simplifying
12x + 21 = 3x + 174

Reorder the terms:
21 + 12x = 3x + 174

Reorder the terms:
21 + 12x = 174 + 3x

Solving
21 + 12x = 174 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
21 + 12x + -3x = 174 + 3x + -3x

Combine like terms: 12x + -3x = 9x
21 + 9x = 174 + 3x + -3x

Combine like terms: 3x + -3x = 0
21 + 9x = 174 + 0
21 + 9x = 174

Add '-21' to each side of the equation.
21 + -21 + 9x = 174 + -21

Combine like terms: 21 + -21 = 0
0 + 9x = 174 + -21
9x = 174 + -21

Combine like terms: 174 + -21 = 153
9x = 153

Divide each side by '9'.
x = 17

Simplifying
x = 17

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