6x-3(3x-20)=78

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Solution for 6x-3(3x-20)=78 equation:


Simplifying
6x + -3(3x + -20) = 78

Reorder the terms:
6x + -3(-20 + 3x) = 78
6x + (-20 * -3 + 3x * -3) = 78
6x + (60 + -9x) = 78

Reorder the terms:
60 + 6x + -9x = 78

Combine like terms: 6x + -9x = -3x
60 + -3x = 78

Solving
60 + -3x = 78

Solving for variable 'x'.

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

Add '-60' to each side of the equation.
60 + -60 + -3x = 78 + -60

Combine like terms: 60 + -60 = 0
0 + -3x = 78 + -60
-3x = 78 + -60

Combine like terms: 78 + -60 = 18
-3x = 18

Divide each side by '-3'.
x = -6

Simplifying
x = -6

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