4(5a+4b)+5(6a+4b)=

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Solution for 4(5a+4b)+5(6a+4b)= equation:


Simplifying
4(5a + 4b) + 5(6a + 4b) = 0
(5a * 4 + 4b * 4) + 5(6a + 4b) = 0
(20a + 16b) + 5(6a + 4b) = 0
20a + 16b + (6a * 5 + 4b * 5) = 0
20a + 16b + (30a + 20b) = 0

Reorder the terms:
20a + 30a + 16b + 20b = 0

Combine like terms: 20a + 30a = 50a
50a + 16b + 20b = 0

Combine like terms: 16b + 20b = 36b
50a + 36b = 0

Solving
50a + 36b = 0

Solving for variable 'a'.

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

Add '-36b' to each side of the equation.
50a + 36b + -36b = 0 + -36b

Combine like terms: 36b + -36b = 0
50a + 0 = 0 + -36b
50a = 0 + -36b
Remove the zero:
50a = -36b

Divide each side by '50'.
a = -0.72b

Simplifying
a = -0.72b

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