-81=-1-8(x+2)

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Solution for -81=-1-8(x+2) equation:


Simplifying
-81 = -1 + -8(x + 2)

Reorder the terms:
-81 = -1 + -8(2 + x)
-81 = -1 + (2 * -8 + x * -8)
-81 = -1 + (-16 + -8x)

Combine like terms: -1 + -16 = -17
-81 = -17 + -8x

Solving
-81 = -17 + -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.
-81 + 8x = -17 + -8x + 8x

Combine like terms: -8x + 8x = 0
-81 + 8x = -17 + 0
-81 + 8x = -17

Add '81' to each side of the equation.
-81 + 81 + 8x = -17 + 81

Combine like terms: -81 + 81 = 0
0 + 8x = -17 + 81
8x = -17 + 81

Combine like terms: -17 + 81 = 64
8x = 64

Divide each side by '8'.
x = 8

Simplifying
x = 8

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