2*40+3x=128

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Solution for 2*40+3x=128 equation: 


Simplifying
2 * 40 + 3x = 128

Multiply 2 * 40
80 + 3x = 128

Solving
80 + 3x = 128

Solving for variable 'x'.

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

Add '-80' to each side of the equation.
80 + -80 + 3x = 128 + -80

Combine like terms: 80 + -80 = 0
0 + 3x = 128 + -80
3x = 128 + -80

Combine like terms: 128 + -80 = 48
3x = 48

Divide each side by '3'.
x = 16

Simplifying
x = 16

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