21-2x=43-5x

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Solution for 21-2x=43-5x equation:


Simplifying
21 + -2x = 43 + -5x

Solving
21 + -2x = 43 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
21 + -2x + 5x = 43 + -5x + 5x

Combine like terms: -2x + 5x = 3x
21 + 3x = 43 + -5x + 5x

Combine like terms: -5x + 5x = 0
21 + 3x = 43 + 0
21 + 3x = 43

Add '-21' to each side of the equation.
21 + -21 + 3x = 43 + -21

Combine like terms: 21 + -21 = 0
0 + 3x = 43 + -21
3x = 43 + -21

Combine like terms: 43 + -21 = 22
3x = 22

Divide each side by '3'.
x = 7.333333333

Simplifying
x = 7.333333333

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