14=2X+7(-X-3)

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Solution for 14=2X+7(-X-3) equation:


Simplifying
14 = 2X + 7(-1X + -3)

Reorder the terms:
14 = 2X + 7(-3 + -1X)
14 = 2X + (-3 * 7 + -1X * 7)
14 = 2X + (-21 + -7X)

Reorder the terms:
14 = -21 + 2X + -7X

Combine like terms: 2X + -7X = -5X
14 = -21 + -5X

Solving
14 = -21 + -5X

Solving for variable 'X'.

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

Add '5X' to each side of the equation.
14 + 5X = -21 + -5X + 5X

Combine like terms: -5X + 5X = 0
14 + 5X = -21 + 0
14 + 5X = -21

Add '-14' to each side of the equation.
14 + -14 + 5X = -21 + -14

Combine like terms: 14 + -14 = 0
0 + 5X = -21 + -14
5X = -21 + -14

Combine like terms: -21 + -14 = -35
5X = -35

Divide each side by '5'.
X = -7

Simplifying
X = -7

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