3+4x+8x=15

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Solution for 3+4x+8x=15 equation: 


Simplifying
3 + 4x + 8x = 15

Combine like terms: 4x + 8x = 12x
3 + 12x = 15

Solving
3 + 12x = 15

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 + 12x = 15 + -3

Combine like terms: 3 + -3 = 0
0 + 12x = 15 + -3
12x = 15 + -3

Combine like terms: 15 + -3 = 12
12x = 12

Divide each side by '12'.
x = 1

Simplifying
x = 1

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