7(2a+b)+2(3a+b)=

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Solution for 7(2a+b)+2(3a+b)= equation:


Simplifying
7(2a + b) + 2(3a + b) = 0
(2a * 7 + b * 7) + 2(3a + b) = 0
(14a + 7b) + 2(3a + b) = 0
14a + 7b + (3a * 2 + b * 2) = 0
14a + 7b + (6a + 2b) = 0

Reorder the terms:
14a + 6a + 7b + 2b = 0

Combine like terms: 14a + 6a = 20a
20a + 7b + 2b = 0

Combine like terms: 7b + 2b = 9b
20a + 9b = 0

Solving
20a + 9b = 0

Solving for variable 'a'.

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

Add '-9b' to each side of the equation.
20a + 9b + -9b = 0 + -9b

Combine like terms: 9b + -9b = 0
20a + 0 = 0 + -9b
20a = 0 + -9b
Remove the zero:
20a = -9b

Divide each side by '20'.
a = -0.45b

Simplifying
a = -0.45b

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