2(80-x)=4

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Solution for 2(80-x)=4 equation: 


Simplifying
2(80 + -1x) = 4
(80 * 2 + -1x * 2) = 4
(160 + -2x) = 4

Solving
160 + -2x = 4

Solving for variable 'x'.

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

Add '-160' to each side of the equation.
160 + -160 + -2x = 4 + -160

Combine like terms: 160 + -160 = 0
0 + -2x = 4 + -160
-2x = 4 + -160

Combine like terms: 4 + -160 = -156
-2x = -156

Divide each side by '-2'.
x = 78

Simplifying
x = 78

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