3x-4+3x-4=40

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Solution for 3x-4+3x-4=40 equation:


Simplifying
3x + -4 + 3x + -4 = 40

Reorder the terms:
-4 + -4 + 3x + 3x = 40

Combine like terms: -4 + -4 = -8
-8 + 3x + 3x = 40

Combine like terms: 3x + 3x = 6x
-8 + 6x = 40

Solving
-8 + 6x = 40

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 6x = 40 + 8

Combine like terms: -8 + 8 = 0
0 + 6x = 40 + 8
6x = 40 + 8

Combine like terms: 40 + 8 = 48
6x = 48

Divide each side by '6'.
x = 8

Simplifying
x = 8

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