-5(1+3x)=-80

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Solution for -5(1+3x)=-80 equation: 


Simplifying
-5(1 + 3x) = -80
(1 * -5 + 3x * -5) = -80
(-5 + -15x) = -80

Solving
-5 + -15x = -80

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + -15x = -80 + 5

Combine like terms: -5 + 5 = 0
0 + -15x = -80 + 5
-15x = -80 + 5

Combine like terms: -80 + 5 = -75
-15x = -75

Divide each side by '-15'.
x = 5

Simplifying
x = 5

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