4x+3[3x-6]=99

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Solution for 4x+3[3x-6]=99 equation:


Simplifying
4x + 3[3x + -6] = 99

Reorder the terms:
4x + 3[-6 + 3x] = 99
4x + [-6 * 3 + 3x * 3] = 99
4x + [-18 + 9x] = 99

Reorder the terms:
-18 + 4x + 9x = 99

Combine like terms: 4x + 9x = 13x
-18 + 13x = 99

Solving
-18 + 13x = 99

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + 13x = 99 + 18

Combine like terms: -18 + 18 = 0
0 + 13x = 99 + 18
13x = 99 + 18

Combine like terms: 99 + 18 = 117
13x = 117

Divide each side by '13'.
x = 9

Simplifying
x = 9

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