x-21+x=47

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Solution for x-21+x=47 equation:


Simplifying
x + -21 + x = 47

Reorder the terms:
-21 + x + x = 47

Combine like terms: x + x = 2x
-21 + 2x = 47

Solving
-21 + 2x = 47

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 2x = 47 + 21

Combine like terms: -21 + 21 = 0
0 + 2x = 47 + 21
2x = 47 + 21

Combine like terms: 47 + 21 = 68
2x = 68

Divide each side by '2'.
x = 34

Simplifying
x = 34

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