-7(x-2)=-21

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Solution for -7(x-2)=-21 equation: 


Simplifying
-7(x + -2) = -21

Reorder the terms:
-7(-2 + x) = -21
(-2 * -7 + x * -7) = -21
(14 + -7x) = -21

Solving
14 + -7x = -21

Solving for variable 'x'.

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

Add '-14' to each side of the equation.
14 + -14 + -7x = -21 + -14

Combine like terms: 14 + -14 = 0
0 + -7x = -21 + -14
-7x = -21 + -14

Combine like terms: -21 + -14 = -35
-7x = -35

Divide each side by '-7'.
x = 5

Simplifying
x = 5

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