3(2x-1)=42

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Solution for 3(2x-1)=42 equation: 


Simplifying
3(2x + -1) = 42

Reorder the terms:
3(-1 + 2x) = 42
(-1 * 3 + 2x * 3) = 42
(-3 + 6x) = 42

Solving
-3 + 6x = 42

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 6x = 42 + 3

Combine like terms: -3 + 3 = 0
0 + 6x = 42 + 3
6x = 42 + 3

Combine like terms: 42 + 3 = 45
6x = 45

Divide each side by '6'.
x = 7.5

Simplifying
x = 7.5

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