(a-15b+11c)+(-8a+17b-11c)=

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Solution for (a-15b+11c)+(-8a+17b-11c)= equation:


Simplifying
(a + -15b + 11c) + (-8a + 17b + -11c) = 0

Remove parenthesis around (a + -15b + 11c)
a + -15b + 11c + (-8a + 17b + -11c) = 0

Remove parenthesis around (-8a + 17b + -11c)
a + -15b + 11c + -8a + 17b + -11c = 0

Reorder the terms:
a + -8a + -15b + 17b + 11c + -11c = 0

Combine like terms: a + -8a = -7a
-7a + -15b + 17b + 11c + -11c = 0

Combine like terms: -15b + 17b = 2b
-7a + 2b + 11c + -11c = 0

Combine like terms: 11c + -11c = 0
-7a + 2b + 0 = 0
-7a + 2b = 0

Solving
-7a + 2b = 0

Solving for variable 'a'.

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

Add '-2b' to each side of the equation.
-7a + 2b + -2b = 0 + -2b

Combine like terms: 2b + -2b = 0
-7a + 0 = 0 + -2b
-7a = 0 + -2b
Remove the zero:
-7a = -2b

Divide each side by '-7'.
a = 0.2857142857b

Simplifying
a = 0.2857142857b

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