3x+4(3x+2)=128

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Solution for 3x+4(3x+2)=128 equation:


Simplifying
3x + 4(3x + 2) = 128

Reorder the terms:
3x + 4(2 + 3x) = 128
3x + (2 * 4 + 3x * 4) = 128
3x + (8 + 12x) = 128

Reorder the terms:
8 + 3x + 12x = 128

Combine like terms: 3x + 12x = 15x
8 + 15x = 128

Solving
8 + 15x = 128

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 + 15x = 128 + -8

Combine like terms: 8 + -8 = 0
0 + 15x = 128 + -8
15x = 128 + -8

Combine like terms: 128 + -8 = 120
15x = 120

Divide each side by '15'.
x = 8

Simplifying
x = 8

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