7(3x-6)=-21

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Solution for 7(3x-6)=-21 equation:


Simplifying
7(3x + -6) = -21

Reorder the terms:
7(-6 + 3x) = -21
(-6 * 7 + 3x * 7) = -21
(-42 + 21x) = -21

Solving
-42 + 21x = -21

Solving for variable 'x'.

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

Add '42' to each side of the equation.
-42 + 42 + 21x = -21 + 42

Combine like terms: -42 + 42 = 0
0 + 21x = -21 + 42
21x = -21 + 42

Combine like terms: -21 + 42 = 21
21x = 21

Divide each side by '21'.
x = 1

Simplifying
x = 1

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