9x-21-7x=29

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Solution for 9x-21-7x=29 equation:


Simplifying
9x + -21 + -7x = 29

Reorder the terms:
-21 + 9x + -7x = 29

Combine like terms: 9x + -7x = 2x
-21 + 2x = 29

Solving
-21 + 2x = 29

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 = 29 + 21

Combine like terms: -21 + 21 = 0
0 + 2x = 29 + 21
2x = 29 + 21

Combine like terms: 29 + 21 = 50
2x = 50

Divide each side by '2'.
x = 25

Simplifying
x = 25

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