x+2*3x-1=12

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Solution for x+2*3x-1=12 equation: 


Simplifying
x + 2 * 3x + -1 = 12

Multiply 2 * 3
x + 6x + -1 = 12

Reorder the terms:
-1 + x + 6x = 12

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

Solving
-1 + 7x = 12

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 7x = 12 + 1

Combine like terms: -1 + 1 = 0
0 + 7x = 12 + 1
7x = 12 + 1

Combine like terms: 12 + 1 = 13
7x = 13

Divide each side by '7'.
x = 1.857142857

Simplifying
x = 1.857142857

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