7(x+9)=-7(x+9)

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Solution for 7(x+9)=-7(x+9) equation:


Simplifying
7(x + 9) = -7(x + 9)

Reorder the terms:
7(9 + x) = -7(x + 9)
(9 * 7 + x * 7) = -7(x + 9)
(63 + 7x) = -7(x + 9)

Reorder the terms:
63 + 7x = -7(9 + x)
63 + 7x = (9 * -7 + x * -7)
63 + 7x = (-63 + -7x)

Solving
63 + 7x = -63 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
63 + 7x + 7x = -63 + -7x + 7x

Combine like terms: 7x + 7x = 14x
63 + 14x = -63 + -7x + 7x

Combine like terms: -7x + 7x = 0
63 + 14x = -63 + 0
63 + 14x = -63

Add '-63' to each side of the equation.
63 + -63 + 14x = -63 + -63

Combine like terms: 63 + -63 = 0
0 + 14x = -63 + -63
14x = -63 + -63

Combine like terms: -63 + -63 = -126
14x = -126

Divide each side by '14'.
x = -9

Simplifying
x = -9

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