7(5a+b)+4(3a+4b)=

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Solution for 7(5a+b)+4(3a+4b)= equation:


Simplifying
7(5a + b) + 4(3a + 4b) = 0
(5a * 7 + b * 7) + 4(3a + 4b) = 0
(35a + 7b) + 4(3a + 4b) = 0
35a + 7b + (3a * 4 + 4b * 4) = 0
35a + 7b + (12a + 16b) = 0

Reorder the terms:
35a + 12a + 7b + 16b = 0

Combine like terms: 35a + 12a = 47a
47a + 7b + 16b = 0

Combine like terms: 7b + 16b = 23b
47a + 23b = 0

Solving
47a + 23b = 0

Solving for variable 'a'.

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

Add '-23b' to each side of the equation.
47a + 23b + -23b = 0 + -23b

Combine like terms: 23b + -23b = 0
47a + 0 = 0 + -23b
47a = 0 + -23b
Remove the zero:
47a = -23b

Divide each side by '47'.
a = -0.4893617021b

Simplifying
a = -0.4893617021b

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