7(x+8)=-21

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Solution for 7(x+8)=-21 equation:


Simplifying
7(x + 8) = -21

Reorder the terms:
7(8 + x) = -21
(8 * 7 + x * 7) = -21
(56 + 7x) = -21

Solving
56 + 7x = -21

Solving for variable 'x'.

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

Add '-56' to each side of the equation.
56 + -56 + 7x = -21 + -56

Combine like terms: 56 + -56 = 0
0 + 7x = -21 + -56
7x = -21 + -56

Combine like terms: -21 + -56 = -77
7x = -77

Divide each side by '7'.
x = -11

Simplifying
x = -11

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