7c+8c-9b+7b+5a-18c+b=

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Solution for 7c+8c-9b+7b+5a-18c+b= equation:


Simplifying
7c + 8c + -9b + 7b + 5a + -18c + b = 0

Reorder the terms:
5a + -9b + 7b + b + 7c + 8c + -18c = 0

Combine like terms: -9b + 7b = -2b
5a + -2b + b + 7c + 8c + -18c = 0

Combine like terms: -2b + b = -1b
5a + -1b + 7c + 8c + -18c = 0

Combine like terms: 7c + 8c = 15c
5a + -1b + 15c + -18c = 0

Combine like terms: 15c + -18c = -3c
5a + -1b + -3c = 0

Solving
5a + -1b + -3c = 0

Solving for variable 'a'.

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

Add 'b' to each side of the equation.
5a + -1b + b + -3c = 0 + b

Combine like terms: -1b + b = 0
5a + 0 + -3c = 0 + b
5a + -3c = 0 + b
Remove the zero:
5a + -3c = b

Add '3c' to each side of the equation.
5a + -3c + 3c = b + 3c

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

Divide each side by '5'.
a = 0.2b + 0.6c

Simplifying
a = 0.2b + 0.6c

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