-12-2X=5X+21

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Solution for -12-2X=5X+21 equation:


Simplifying
-12 + -2X = 5X + 21

Reorder the terms:
-12 + -2X = 21 + 5X

Solving
-12 + -2X = 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.
-12 + -2X + -5X = 21 + 5X + -5X

Combine like terms: -2X + -5X = -7X
-12 + -7X = 21 + 5X + -5X

Combine like terms: 5X + -5X = 0
-12 + -7X = 21 + 0
-12 + -7X = 21

Add '12' to each side of the equation.
-12 + 12 + -7X = 21 + 12

Combine like terms: -12 + 12 = 0
0 + -7X = 21 + 12
-7X = 21 + 12

Combine like terms: 21 + 12 = 33
-7X = 33

Divide each side by '-7'.
X = -4.714285714

Simplifying
X = -4.714285714

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