12X-1+3X+7=57

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Solution for 12X-1+3X+7=57 equation:


Simplifying
12X + -1 + 3X + 7 = 57

Reorder the terms:
-1 + 7 + 12X + 3X = 57

Combine like terms: -1 + 7 = 6
6 + 12X + 3X = 57

Combine like terms: 12X + 3X = 15X
6 + 15X = 57

Solving
6 + 15X = 57

Solving for variable 'X'.

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

Add '-6' to each side of the equation.
6 + -6 + 15X = 57 + -6

Combine like terms: 6 + -6 = 0
0 + 15X = 57 + -6
15X = 57 + -6

Combine like terms: 57 + -6 = 51
15X = 51

Divide each side by '15'.
X = 3.4

Simplifying
X = 3.4

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