(4a+7b-8c)+(-7a+5c)=

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Solution for (4a+7b-8c)+(-7a+5c)= equation:


Simplifying
(4a + 7b + -8c) + (-7a + 5c) = 0

Remove parenthesis around (4a + 7b + -8c)
4a + 7b + -8c + (-7a + 5c) = 0

Remove parenthesis around (-7a + 5c)
4a + 7b + -8c + -7a + 5c = 0

Reorder the terms:
4a + -7a + 7b + -8c + 5c = 0

Combine like terms: 4a + -7a = -3a
-3a + 7b + -8c + 5c = 0

Combine like terms: -8c + 5c = -3c
-3a + 7b + -3c = 0

Solving
-3a + 7b + -3c = 0

Solving for variable 'a'.

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

Add '-7b' to each side of the equation.
-3a + 7b + -7b + -3c = 0 + -7b

Combine like terms: 7b + -7b = 0
-3a + 0 + -3c = 0 + -7b
-3a + -3c = 0 + -7b
Remove the zero:
-3a + -3c = -7b

Add '3c' to each side of the equation.
-3a + -3c + 3c = -7b + 3c

Combine like terms: -3c + 3c = 0
-3a + 0 = -7b + 3c
-3a = -7b + 3c

Divide each side by '-3'.
a = 2.333333333b + -1c

Simplifying
a = 2.333333333b + -1c

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