7(8a-b)-5(7b-5a)=

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Solution for 7(8a-b)-5(7b-5a)= equation:


Simplifying
7(8a + -1b) + -5(7b + -5a) = 0
(8a * 7 + -1b * 7) + -5(7b + -5a) = 0
(56a + -7b) + -5(7b + -5a) = 0

Reorder the terms:
56a + -7b + -5(-5a + 7b) = 0
56a + -7b + (-5a * -5 + 7b * -5) = 0
56a + -7b + (25a + -35b) = 0

Reorder the terms:
56a + 25a + -7b + -35b = 0

Combine like terms: 56a + 25a = 81a
81a + -7b + -35b = 0

Combine like terms: -7b + -35b = -42b
81a + -42b = 0

Solving
81a + -42b = 0

Solving for variable 'a'.

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

Add '42b' to each side of the equation.
81a + -42b + 42b = 0 + 42b

Combine like terms: -42b + 42b = 0
81a + 0 = 0 + 42b
81a = 0 + 42b
Remove the zero:
81a = 42b

Divide each side by '81'.
a = 0.5185185185b

Simplifying
a = 0.5185185185b

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