-7(-3+x)=0

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Solution for -7(-3+x)=0 equation: 


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

Solving
21 + -7x = 0

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 + -7x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -7x = 0 + -21
-7x = 0 + -21

Combine like terms: 0 + -21 = -21
-7x = -21

Divide each side by '-7'.
x = 3

Simplifying
x = 3

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