4(9b+c-5a)-5(a-3c+4b)=

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Solution for 4(9b+c-5a)-5(a-3c+4b)= equation:


Simplifying
4(9b + c + -5a) + -5(a + -3c + 4b) = 0

Reorder the terms:
4(-5a + 9b + c) + -5(a + -3c + 4b) = 0
(-5a * 4 + 9b * 4 + c * 4) + -5(a + -3c + 4b) = 0
(-20a + 36b + 4c) + -5(a + -3c + 4b) = 0

Reorder the terms:
-20a + 36b + 4c + -5(a + 4b + -3c) = 0
-20a + 36b + 4c + (a * -5 + 4b * -5 + -3c * -5) = 0
-20a + 36b + 4c + (-5a + -20b + 15c) = 0

Reorder the terms:
-20a + -5a + 36b + -20b + 4c + 15c = 0

Combine like terms: -20a + -5a = -25a
-25a + 36b + -20b + 4c + 15c = 0

Combine like terms: 36b + -20b = 16b
-25a + 16b + 4c + 15c = 0

Combine like terms: 4c + 15c = 19c
-25a + 16b + 19c = 0

Solving
-25a + 16b + 19c = 0

Solving for variable 'a'.

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

Add '-16b' to each side of the equation.
-25a + 16b + -16b + 19c = 0 + -16b

Combine like terms: 16b + -16b = 0
-25a + 0 + 19c = 0 + -16b
-25a + 19c = 0 + -16b
Remove the zero:
-25a + 19c = -16b

Add '-19c' to each side of the equation.
-25a + 19c + -19c = -16b + -19c

Combine like terms: 19c + -19c = 0
-25a + 0 = -16b + -19c
-25a = -16b + -19c

Divide each side by '-25'.
a = 0.64b + 0.76c

Simplifying
a = 0.64b + 0.76c

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