3x-43=20

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Solution for 3x-43=20 equation: 


Simplifying
3x + -43 = 20

Reorder the terms:
-43 + 3x = 20

Solving
-43 + 3x = 20

Solving for variable 'x'.

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

Add '43' to each side of the equation.
-43 + 43 + 3x = 20 + 43

Combine like terms: -43 + 43 = 0
0 + 3x = 20 + 43
3x = 20 + 43

Combine like terms: 20 + 43 = 63
3x = 63

Divide each side by '3'.
x = 21

Simplifying
x = 21

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