8x+21=-51

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Solution for 8x+21=-51 equation: 


Simplifying
8x + 21 = -51

Reorder the terms:
21 + 8x = -51

Solving
21 + 8x = -51

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 + 8x = -51 + -21

Combine like terms: 21 + -21 = 0
0 + 8x = -51 + -21
8x = -51 + -21

Combine like terms: -51 + -21 = -72
8x = -72

Divide each side by '8'.
x = -9

Simplifying
x = -9

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