-3x-5(-2x-16)=31

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Solution for -3x-5(-2x-16)=31 equation: 


Simplifying
-3x + -5(-2x + -16) = 31

Reorder the terms:
-3x + -5(-16 + -2x) = 31
-3x + (-16 * -5 + -2x * -5) = 31
-3x + (80 + 10x) = 31

Reorder the terms:
80 + -3x + 10x = 31

Combine like terms: -3x + 10x = 7x
80 + 7x = 31

Solving
80 + 7x = 31

Solving for variable 'x'.

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

Add '-80' to each side of the equation.
80 + -80 + 7x = 31 + -80

Combine like terms: 80 + -80 = 0
0 + 7x = 31 + -80
7x = 31 + -80

Combine like terms: 31 + -80 = -49
7x = -49

Divide each side by '7'.
x = -7

Simplifying
x = -7

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