9[x+2(x-2)]=45

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Solution for 9[x+2(x-2)]=45 equation:


Simplifying
9[x + 2(x + -2)] = 45

Reorder the terms:
9[x + 2(-2 + x)] = 45
9[x + (-2 * 2 + x * 2)] = 45
9[x + (-4 + 2x)] = 45

Reorder the terms:
9[-4 + x + 2x] = 45

Combine like terms: x + 2x = 3x
9[-4 + 3x] = 45
[-4 * 9 + 3x * 9] = 45
[-36 + 27x] = 45

Solving
-36 + 27x = 45

Solving for variable 'x'.

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

Add '36' to each side of the equation.
-36 + 36 + 27x = 45 + 36

Combine like terms: -36 + 36 = 0
0 + 27x = 45 + 36
27x = 45 + 36

Combine like terms: 45 + 36 = 81
27x = 81

Divide each side by '27'.
x = 3

Simplifying
x = 3

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