3[x+2]=45

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Solution for 3[x+2]=45 equation: 


Simplifying
3[x + 2] = 45

Reorder the terms:
3[2 + x] = 45
[2 * 3 + x * 3] = 45
[6 + 3x] = 45

Solving
6 + 3x = 45

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 + 3x = 45 + -6

Combine like terms: 6 + -6 = 0
0 + 3x = 45 + -6
3x = 45 + -6

Combine like terms: 45 + -6 = 39
3x = 39

Divide each side by '3'.
x = 13

Simplifying
x = 13

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