21-11x-3x=63

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Solution for 21-11x-3x=63 equation: 


Simplifying
21 + -11x + -3x = 63

Combine like terms: -11x + -3x = -14x
21 + -14x = 63

Solving
21 + -14x = 63

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + -14x = 63 + -21

Combine like terms: 21 + -21 = 0
0 + -14x = 63 + -21
-14x = 63 + -21

Combine like terms: 63 + -21 = 42
-14x = 42

Divide each side by '-14'.
x = -3

Simplifying
x = -3

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