3(-1-7x)=

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Solution for 3(-1-7x)= equation: 


Simplifying
3(-1 + -7x) = 0
(-1 * 3 + -7x * 3) = 0
(-3 + -21x) = 0

Solving
-3 + -21x = 0

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 + -21x = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -21x = 0 + 3
-21x = 0 + 3

Combine like terms: 0 + 3 = 3
-21x = 3

Divide each side by '-21'.
x = -0.1428571429

Simplifying
x = -0.1428571429

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