12x-1+3x+7=51

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Solution for 12x-1+3x+7=51 equation:


Simplifying
12x + -1 + 3x + 7 = 51

Reorder the terms:
-1 + 7 + 12x + 3x = 51

Combine like terms: -1 + 7 = 6
6 + 12x + 3x = 51

Combine like terms: 12x + 3x = 15x
6 + 15x = 51

Solving
6 + 15x = 51

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 = 51 + -6

Combine like terms: 6 + -6 = 0
0 + 15x = 51 + -6
15x = 51 + -6

Combine like terms: 51 + -6 = 45
15x = 45

Divide each side by '15'.
x = 3

Simplifying
x = 3

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