[2x+9]=30

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Solution for [2x+9]=30 equation: 


Simplifying
[2x + 9] = 30

Reorder the terms:
[9 + 2x] = 30

Remove brackets around [9 + 2x]
9 + 2x = 30

Solving
9 + 2x = 30

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 2x = 30 + -9

Combine like terms: 9 + -9 = 0
0 + 2x = 30 + -9
2x = 30 + -9

Combine like terms: 30 + -9 = 21
2x = 21

Divide each side by '2'.
x = 10.5

Simplifying
x = 10.5

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