4x-20=x+43

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Solution for 4x-20=x+43 equation:


Simplifying
4x + -20 = x + 43

Reorder the terms:
-20 + 4x = x + 43

Reorder the terms:
-20 + 4x = 43 + x

Solving
-20 + 4x = 43 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-20 + 4x + -1x = 43 + x + -1x

Combine like terms: 4x + -1x = 3x
-20 + 3x = 43 + x + -1x

Combine like terms: x + -1x = 0
-20 + 3x = 43 + 0
-20 + 3x = 43

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

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

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

Divide each side by '3'.
x = 21

Simplifying
x = 21

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