71-4x=23+20

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Solution for 71-4x=23+20 equation: 


Simplifying
71 + -4x = 23 + 20

Combine like terms: 23 + 20 = 43
71 + -4x = 43

Solving
71 + -4x = 43

Solving for variable 'x'.

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

Add '-71' to each side of the equation.
71 + -71 + -4x = 43 + -71

Combine like terms: 71 + -71 = 0
0 + -4x = 43 + -71
-4x = 43 + -71

Combine like terms: 43 + -71 = -28
-4x = -28

Divide each side by '-4'.
x = 7

Simplifying
x = 7

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