[21-5x]=33

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Solution for [21-5x]=33 equation: 


Simplifying
[21 + -5x] = 33

Remove brackets around [21 + -5x]
21 + -5x = 33

Solving
21 + -5x = 33

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 + -5x = 33 + -21

Combine like terms: 21 + -21 = 0
0 + -5x = 33 + -21
-5x = 33 + -21

Combine like terms: 33 + -21 = 12
-5x = 12

Divide each side by '-5'.
x = -2.4

Simplifying
x = -2.4

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