4(-1+3x)=128

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Solution for 4(-1+3x)=128 equation:


Simplifying
4(-1 + 3x) = 128
(-1 * 4 + 3x * 4) = 128
(-4 + 12x) = 128

Solving
-4 + 12x = 128

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 12x = 128 + 4

Combine like terms: -4 + 4 = 0
0 + 12x = 128 + 4
12x = 128 + 4

Combine like terms: 128 + 4 = 132
12x = 132

Divide each side by '12'.
x = 11

Simplifying
x = 11

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