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

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


Simplifying
7(5a + -1b) + -3(4b + -4a) = 0
(5a * 7 + -1b * 7) + -3(4b + -4a) = 0
(35a + -7b) + -3(4b + -4a) = 0

Reorder the terms:
35a + -7b + -3(-4a + 4b) = 0
35a + -7b + (-4a * -3 + 4b * -3) = 0
35a + -7b + (12a + -12b) = 0

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

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

Combine like terms: -7b + -12b = -19b
47a + -19b = 0

Solving
47a + -19b = 0

Solving for variable 'a'.

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

Add '19b' to each side of the equation.
47a + -19b + 19b = 0 + 19b

Combine like terms: -19b + 19b = 0
47a + 0 = 0 + 19b
47a = 0 + 19b
Remove the zero:
47a = 19b

Divide each side by '47'.
a = 0.4042553191b

Simplifying
a = 0.4042553191b

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