5x+21-2x=27

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Solution for 5x+21-2x=27 equation:


Simplifying
5x + 21 + -2x = 27

Reorder the terms:
21 + 5x + -2x = 27

Combine like terms: 5x + -2x = 3x
21 + 3x = 27

Solving
21 + 3x = 27

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 + 3x = 27 + -21

Combine like terms: 21 + -21 = 0
0 + 3x = 27 + -21
3x = 27 + -21

Combine like terms: 27 + -21 = 6
3x = 6

Divide each side by '3'.
x = 2

Simplifying
x = 2

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