3x+4+8x+4=12

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Solution for 3x+4+8x+4=12 equation:


Simplifying
3x + 4 + 8x + 4 = 12

Reorder the terms:
4 + 4 + 3x + 8x = 12

Combine like terms: 4 + 4 = 8
8 + 3x + 8x = 12

Combine like terms: 3x + 8x = 11x
8 + 11x = 12

Solving
8 + 11x = 12

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 + 11x = 12 + -8

Combine like terms: 8 + -8 = 0
0 + 11x = 12 + -8
11x = 12 + -8

Combine like terms: 12 + -8 = 4
11x = 4

Divide each side by '11'.
x = 0.3636363636

Simplifying
x = 0.3636363636

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