2[x+3]=20

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Solution for 2[x+3]=20 equation: 


Simplifying
2[x + 3] = 20

Reorder the terms:
2[3 + x] = 20
[3 * 2 + x * 2] = 20
[6 + 2x] = 20

Solving
6 + 2x = 20

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 2x = 20 + -6

Combine like terms: 6 + -6 = 0
0 + 2x = 20 + -6
2x = 20 + -6

Combine like terms: 20 + -6 = 14
2x = 14

Divide each side by '2'.
x = 7

Simplifying
x = 7

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