3-5*[2*(3x+9)-20]=

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Solution for 3-5*[2*(3x+9)-20]= equation:


Simplifying
3 + -5[2(3x + 9) + -20] = 0

Reorder the terms:
3 + -5[2(9 + 3x) + -20] = 0
3 + -5[(9 * 2 + 3x * 2) + -20] = 0
3 + -5[(18 + 6x) + -20] = 0

Reorder the terms:
3 + -5[18 + -20 + 6x] = 0

Combine like terms: 18 + -20 = -2
3 + -5[-2 + 6x] = 0
3 + [-2 * -5 + 6x * -5] = 0
3 + [10 + -30x] = 0

Combine like terms: 3 + 10 = 13
13 + -30x = 0

Solving
13 + -30x = 0

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + -13 + -30x = 0 + -13

Combine like terms: 13 + -13 = 0
0 + -30x = 0 + -13
-30x = 0 + -13

Combine like terms: 0 + -13 = -13
-30x = -13

Divide each side by '-30'.
x = 0.4333333333

Simplifying
x = 0.4333333333

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