51-2x=-21

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Solution for 51-2x=-21 equation: 


Simplifying
51 + -2x = -21

Solving
51 + -2x = -21

Solving for variable 'x'.

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

Add '-51' to each side of the equation.
51 + -51 + -2x = -21 + -51

Combine like terms: 51 + -51 = 0
0 + -2x = -21 + -51
-2x = -21 + -51

Combine like terms: -21 + -51 = -72
-2x = -72

Divide each side by '-2'.
x = 36

Simplifying
x = 36

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