-3(1+5x)=-78

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Solution for -3(1+5x)=-78 equation: 


Simplifying
-3(1 + 5x) = -78
(1 * -3 + 5x * -3) = -78
(-3 + -15x) = -78

Solving
-3 + -15x = -78

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + -15x = -78 + 3

Combine like terms: -3 + 3 = 0
0 + -15x = -78 + 3
-15x = -78 + 3

Combine like terms: -78 + 3 = -75
-15x = -75

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

Simplifying
x = 5

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