(a+7b)+(3a+b)=

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Solution for (a+7b)+(3a+b)= equation:


Simplifying
(a + 7b) + (3a + b) = 0

Remove parenthesis around (a + 7b)
a + 7b + (3a + b) = 0

Remove parenthesis around (3a + b)
a + 7b + 3a + b = 0

Reorder the terms:
a + 3a + 7b + b = 0

Combine like terms: a + 3a = 4a
4a + 7b + b = 0

Combine like terms: 7b + b = 8b
4a + 8b = 0

Solving
4a + 8b = 0

Solving for variable 'a'.

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

Add '-8b' to each side of the equation.
4a + 8b + -8b = 0 + -8b

Combine like terms: 8b + -8b = 0
4a + 0 = 0 + -8b
4a = 0 + -8b
Remove the zero:
4a = -8b

Divide each side by '4'.
a = -2b

Simplifying
a = -2b

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