7x-21-13x=5-14-2x

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Solution for 7x-21-13x=5-14-2x equation:


Simplifying
7x + -21 + -13x = 5 + -14 + -2x

Reorder the terms:
-21 + 7x + -13x = 5 + -14 + -2x

Combine like terms: 7x + -13x = -6x
-21 + -6x = 5 + -14 + -2x

Combine like terms: 5 + -14 = -9
-21 + -6x = -9 + -2x

Solving
-21 + -6x = -9 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
-21 + -6x + 2x = -9 + -2x + 2x

Combine like terms: -6x + 2x = -4x
-21 + -4x = -9 + -2x + 2x

Combine like terms: -2x + 2x = 0
-21 + -4x = -9 + 0
-21 + -4x = -9

Add '21' to each side of the equation.
-21 + 21 + -4x = -9 + 21

Combine like terms: -21 + 21 = 0
0 + -4x = -9 + 21
-4x = -9 + 21

Combine like terms: -9 + 21 = 12
-4x = 12

Divide each side by '-4'.
x = -3

Simplifying
x = -3

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