-11-8=8x+21

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Solution for -11-8=8x+21 equation:


Simplifying
-11 + -8 = 8x + 21

Combine like terms: -11 + -8 = -19
-19 = 8x + 21

Reorder the terms:
-19 = 21 + 8x

Solving
-19 = 21 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-19 + -8x = 21 + 8x + -8x

Combine like terms: 8x + -8x = 0
-19 + -8x = 21 + 0
-19 + -8x = 21

Add '19' to each side of the equation.
-19 + 19 + -8x = 21 + 19

Combine like terms: -19 + 19 = 0
0 + -8x = 21 + 19
-8x = 21 + 19

Combine like terms: 21 + 19 = 40
-8x = 40

Divide each side by '-8'.
x = -5

Simplifying
x = -5

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