2(3X+14)-9=4X-21

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Solution for 2(3X+14)-9=4X-21 equation:


Simplifying
2(3X + 14) + -9 = 4X + -21

Reorder the terms:
2(14 + 3X) + -9 = 4X + -21
(14 * 2 + 3X * 2) + -9 = 4X + -21
(28 + 6X) + -9 = 4X + -21

Reorder the terms:
28 + -9 + 6X = 4X + -21

Combine like terms: 28 + -9 = 19
19 + 6X = 4X + -21

Reorder the terms:
19 + 6X = -21 + 4X

Solving
19 + 6X = -21 + 4X

Solving for variable 'X'.

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

Add '-4X' to each side of the equation.
19 + 6X + -4X = -21 + 4X + -4X

Combine like terms: 6X + -4X = 2X
19 + 2X = -21 + 4X + -4X

Combine like terms: 4X + -4X = 0
19 + 2X = -21 + 0
19 + 2X = -21

Add '-19' to each side of the equation.
19 + -19 + 2X = -21 + -19

Combine like terms: 19 + -19 = 0
0 + 2X = -21 + -19
2X = -21 + -19

Combine like terms: -21 + -19 = -40
2X = -40

Divide each side by '2'.
X = -20

Simplifying
X = -20

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