(2a+4b)+(-6b-a)+(-b+7a)=

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Solution for (2a+4b)+(-6b-a)+(-b+7a)= equation:


Simplifying
(2a + 4b) + (-6b + -1a) + (-1b + 7a) = 0

Remove parenthesis around (2a + 4b)
2a + 4b + (-6b + -1a) + (-1b + 7a) = 0

Reorder the terms:
2a + 4b + (-1a + -6b) + (-1b + 7a) = 0

Remove parenthesis around (-1a + -6b)
2a + 4b + -1a + -6b + (-1b + 7a) = 0

Reorder the terms:
2a + 4b + -1a + -6b + (7a + -1b) = 0

Remove parenthesis around (7a + -1b)
2a + 4b + -1a + -6b + 7a + -1b = 0

Reorder the terms:
2a + -1a + 7a + 4b + -6b + -1b = 0

Combine like terms: 2a + -1a = 1a
1a + 7a + 4b + -6b + -1b = 0

Combine like terms: 1a + 7a = 8a
8a + 4b + -6b + -1b = 0

Combine like terms: 4b + -6b = -2b
8a + -2b + -1b = 0

Combine like terms: -2b + -1b = -3b
8a + -3b = 0

Solving
8a + -3b = 0

Solving for variable 'a'.

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

Add '3b' to each side of the equation.
8a + -3b + 3b = 0 + 3b

Combine like terms: -3b + 3b = 0
8a + 0 = 0 + 3b
8a = 0 + 3b
Remove the zero:
8a = 3b

Divide each side by '8'.
a = 0.375b

Simplifying
a = 0.375b

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