-36-3x=3x+21

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Solution for -36-3x=3x+21 equation:


Simplifying
-36 + -3x = 3x + 21

Reorder the terms:
-36 + -3x = 21 + 3x

Solving
-36 + -3x = 21 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-36 + -3x + -3x = 21 + 3x + -3x

Combine like terms: -3x + -3x = -6x
-36 + -6x = 21 + 3x + -3x

Combine like terms: 3x + -3x = 0
-36 + -6x = 21 + 0
-36 + -6x = 21

Add '36' to each side of the equation.
-36 + 36 + -6x = 21 + 36

Combine like terms: -36 + 36 = 0
0 + -6x = 21 + 36
-6x = 21 + 36

Combine like terms: 21 + 36 = 57
-6x = 57

Divide each side by '-6'.
x = -9.5

Simplifying
x = -9.5

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