9-3(x-7)=6x+84

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Solution for 9-3(x-7)=6x+84 equation:


Simplifying
9 + -3(x + -7) = 6x + 84

Reorder the terms:
9 + -3(-7 + x) = 6x + 84
9 + (-7 * -3 + x * -3) = 6x + 84
9 + (21 + -3x) = 6x + 84

Combine like terms: 9 + 21 = 30
30 + -3x = 6x + 84

Reorder the terms:
30 + -3x = 84 + 6x

Solving
30 + -3x = 84 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
30 + -3x + -6x = 84 + 6x + -6x

Combine like terms: -3x + -6x = -9x
30 + -9x = 84 + 6x + -6x

Combine like terms: 6x + -6x = 0
30 + -9x = 84 + 0
30 + -9x = 84

Add '-30' to each side of the equation.
30 + -30 + -9x = 84 + -30

Combine like terms: 30 + -30 = 0
0 + -9x = 84 + -30
-9x = 84 + -30

Combine like terms: 84 + -30 = 54
-9x = 54

Divide each side by '-9'.
x = -6

Simplifying
x = -6

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