3(x-3)-8=20

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Solution for 3(x-3)-8=20 equation: 


Simplifying
3(x + -3) + -8 = 20

Reorder the terms:
3(-3 + x) + -8 = 20
(-3 * 3 + x * 3) + -8 = 20
(-9 + 3x) + -8 = 20

Reorder the terms:
-9 + -8 + 3x = 20

Combine like terms: -9 + -8 = -17
-17 + 3x = 20

Solving
-17 + 3x = 20

Solving for variable 'x'.

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

Add '17' to each side of the equation.
-17 + 17 + 3x = 20 + 17

Combine like terms: -17 + 17 = 0
0 + 3x = 20 + 17
3x = 20 + 17

Combine like terms: 20 + 17 = 37
3x = 37

Divide each side by '3'.
x = 12.33333333

Simplifying
x = 12.33333333

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