-3(-1x+7)=-3

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


Simplifying
-3(-1x + 7) = -3

Reorder the terms:
-3(7 + -1x) = -3
(7 * -3 + -1x * -3) = -3
(-21 + 3x) = -3

Solving
-21 + 3x = -3

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 3x = -3 + 21

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

Combine like terms: -3 + 21 = 18
3x = 18

Divide each side by '3'.
x = 6

Simplifying
x = 6

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