12+3x-8=19

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Solution for 12+3x-8=19 equation: 


Simplifying
12 + 3x + -8 = 19

Reorder the terms:
12 + -8 + 3x = 19

Combine like terms: 12 + -8 = 4
4 + 3x = 19

Solving
4 + 3x = 19

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 3x = 19 + -4

Combine like terms: 4 + -4 = 0
0 + 3x = 19 + -4
3x = 19 + -4

Combine like terms: 19 + -4 = 15
3x = 15

Divide each side by '3'.
x = 5

Simplifying
x = 5

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