14x-2(x-9)+21=

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Solution for 14x-2(x-9)+21= equation:


Simplifying
14x + -2(x + -9) + 21 = 0

Reorder the terms:
14x + -2(-9 + x) + 21 = 0
14x + (-9 * -2 + x * -2) + 21 = 0
14x + (18 + -2x) + 21 = 0

Reorder the terms:
18 + 21 + 14x + -2x = 0

Combine like terms: 18 + 21 = 39
39 + 14x + -2x = 0

Combine like terms: 14x + -2x = 12x
39 + 12x = 0

Solving
39 + 12x = 0

Solving for variable 'x'.

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

Add '-39' to each side of the equation.
39 + -39 + 12x = 0 + -39

Combine like terms: 39 + -39 = 0
0 + 12x = 0 + -39
12x = 0 + -39

Combine like terms: 0 + -39 = -39
12x = -39

Divide each side by '12'.
x = -3.25

Simplifying
x = -3.25

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