[13-9x]=28

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Solution for [13-9x]=28 equation:


Simplifying
[13 + -9x] = 28

Remove brackets around [13 + -9x]
13 + -9x = 28

Solving
13 + -9x = 28

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + -13 + -9x = 28 + -13

Combine like terms: 13 + -13 = 0
0 + -9x = 28 + -13
-9x = 28 + -13

Combine like terms: 28 + -13 = 15
-9x = 15

Divide each side by '-9'.
x = -1.666666667

Simplifying
x = -1.666666667

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