3x+128=90

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Solution for 3x+128=90 equation: 


Simplifying
3x + 128 = 90

Reorder the terms:
128 + 3x = 90

Solving
128 + 3x = 90

Solving for variable 'x'.

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

Add '-128' to each side of the equation.
128 + -128 + 3x = 90 + -128

Combine like terms: 128 + -128 = 0
0 + 3x = 90 + -128
3x = 90 + -128

Combine like terms: 90 + -128 = -38
3x = -38

Divide each side by '3'.
x = -12.66666667

Simplifying
x = -12.66666667

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