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

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


Simplifying
7(4a + -1b) + -3(4b + -5a) = 0
(4a * 7 + -1b * 7) + -3(4b + -5a) = 0
(28a + -7b) + -3(4b + -5a) = 0

Reorder the terms:
28a + -7b + -3(-5a + 4b) = 0
28a + -7b + (-5a * -3 + 4b * -3) = 0
28a + -7b + (15a + -12b) = 0

Reorder the terms:
28a + 15a + -7b + -12b = 0

Combine like terms: 28a + 15a = 43a
43a + -7b + -12b = 0

Combine like terms: -7b + -12b = -19b
43a + -19b = 0

Solving
43a + -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.
43a + -19b + 19b = 0 + 19b

Combine like terms: -19b + 19b = 0
43a + 0 = 0 + 19b
43a = 0 + 19b
Remove the zero:
43a = 19b

Divide each side by '43'.
a = 0.4418604651b

Simplifying
a = 0.4418604651b

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