9x-3(-4x-17)=-39

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Solution for 9x-3(-4x-17)=-39 equation:


Simplifying
9x + -3(-4x + -17) = -39

Reorder the terms:
9x + -3(-17 + -4x) = -39
9x + (-17 * -3 + -4x * -3) = -39
9x + (51 + 12x) = -39

Reorder the terms:
51 + 9x + 12x = -39

Combine like terms: 9x + 12x = 21x
51 + 21x = -39

Solving
51 + 21x = -39

Solving for variable 'x'.

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

Add '-51' to each side of the equation.
51 + -51 + 21x = -39 + -51

Combine like terms: 51 + -51 = 0
0 + 21x = -39 + -51
21x = -39 + -51

Combine like terms: -39 + -51 = -90
21x = -90

Divide each side by '21'.
x = -4.285714286

Simplifying
x = -4.285714286

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