4+13x=21-9x

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Solution for 4+13x=21-9x equation:


Simplifying
4 + 13x = 21 + -9x

Solving
4 + 13x = 21 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
4 + 13x + 9x = 21 + -9x + 9x

Combine like terms: 13x + 9x = 22x
4 + 22x = 21 + -9x + 9x

Combine like terms: -9x + 9x = 0
4 + 22x = 21 + 0
4 + 22x = 21

Add '-4' to each side of the equation.
4 + -4 + 22x = 21 + -4

Combine like terms: 4 + -4 = 0
0 + 22x = 21 + -4
22x = 21 + -4

Combine like terms: 21 + -4 = 17
22x = 17

Divide each side by '22'.
x = 0.7727272727

Simplifying
x = 0.7727272727

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