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

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


Simplifying
5(3a + -1b) + -7(3b + -7a) = 0
(3a * 5 + -1b * 5) + -7(3b + -7a) = 0
(15a + -5b) + -7(3b + -7a) = 0

Reorder the terms:
15a + -5b + -7(-7a + 3b) = 0
15a + -5b + (-7a * -7 + 3b * -7) = 0
15a + -5b + (49a + -21b) = 0

Reorder the terms:
15a + 49a + -5b + -21b = 0

Combine like terms: 15a + 49a = 64a
64a + -5b + -21b = 0

Combine like terms: -5b + -21b = -26b
64a + -26b = 0

Solving
64a + -26b = 0

Solving for variable 'a'.

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

Add '26b' to each side of the equation.
64a + -26b + 26b = 0 + 26b

Combine like terms: -26b + 26b = 0
64a + 0 = 0 + 26b
64a = 0 + 26b
Remove the zero:
64a = 26b

Divide each side by '64'.
a = 0.40625b

Simplifying
a = 0.40625b

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