7x+14a=-21x-7a

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Solution for 7x+14a=-21x-7a equation:


Simplifying
7x + 14a = -21x + -7a

Reorder the terms:
14a + 7x = -21x + -7a

Reorder the terms:
14a + 7x = -7a + -21x

Solving
14a + 7x = -7a + -21x

Solving for variable 'a'.

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

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

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

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

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

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

Combine like terms: -21x + -7x = -28x
21a = -28x

Divide each side by '21'.
a = -1.333333333x

Simplifying
a = -1.333333333x

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