2x+7=21whatisx

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Solution for 2x+7=21whatisx equation:


Simplifying
2x + 7 = 21whatisx

Reorder the terms:
7 + 2x = 21whatisx

Solving
7 + 2x = 21ahistwx

Solving for variable 'x'.

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

Add '-21ahistwx' to each side of the equation.
7 + -21ahistwx + 2x = 21ahistwx + -21ahistwx

Combine like terms: 21ahistwx + -21ahistwx = 0
7 + -21ahistwx + 2x = 0

Add '-7' to each side of the equation.
7 + -21ahistwx + -7 + 2x = 0 + -7

Reorder the terms:
7 + -7 + -21ahistwx + 2x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -21ahistwx + 2x = 0 + -7
-21ahistwx + 2x = 0 + -7

Combine like terms: 0 + -7 = -7
-21ahistwx + 2x = -7

Reorder the terms:
7 + -21ahistwx + 2x = -7 + 7

Combine like terms: -7 + 7 = 0
7 + -21ahistwx + 2x = 0

The solution to this equation could not be determined.

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