3[-8x]+8=80

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Solution for 3[-8x]+8=80 equation: 


Simplifying
3[-8x] + 8 = 80

Remove brackets around [-8x]
3 * -8x + 8 = 80

Multiply 3 * -8
-24x + 8 = 80

Reorder the terms:
8 + -24x = 80

Solving
8 + -24x = 80

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + -24x = 80 + -8

Combine like terms: 8 + -8 = 0
0 + -24x = 80 + -8
-24x = 80 + -8

Combine like terms: 80 + -8 = 72
-24x = 72

Divide each side by '-24'.
x = -3

Simplifying
x = -3

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