6x-3(3x-15)=81

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Solution for 6x-3(3x-15)=81 equation:


Simplifying
6x + -3(3x + -15) = 81

Reorder the terms:
6x + -3(-15 + 3x) = 81
6x + (-15 * -3 + 3x * -3) = 81
6x + (45 + -9x) = 81

Reorder the terms:
45 + 6x + -9x = 81

Combine like terms: 6x + -9x = -3x
45 + -3x = 81

Solving
45 + -3x = 81

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + -3x = 81 + -45

Combine like terms: 45 + -45 = 0
0 + -3x = 81 + -45
-3x = 81 + -45

Combine like terms: 81 + -45 = 36
-3x = 36

Divide each side by '-3'.
x = -12

Simplifying
x = -12

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