(2a-3b-5c)+(3a+4b+7c)=

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Solution for (2a-3b-5c)+(3a+4b+7c)= equation:


Simplifying
(2a + -3b + -5c) + (3a + 4b + 7c) = 0

Remove parenthesis around (2a + -3b + -5c)
2a + -3b + -5c + (3a + 4b + 7c) = 0

Remove parenthesis around (3a + 4b + 7c)
2a + -3b + -5c + 3a + 4b + 7c = 0

Reorder the terms:
2a + 3a + -3b + 4b + -5c + 7c = 0

Combine like terms: 2a + 3a = 5a
5a + -3b + 4b + -5c + 7c = 0

Combine like terms: -3b + 4b = 1b
5a + 1b + -5c + 7c = 0

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

Solving
5a + 1b + 2c = 0

Solving for variable 'a'.

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

Add '-1b' to each side of the equation.
5a + 1b + -1b + 2c = 0 + -1b

Combine like terms: 1b + -1b = 0
5a + 0 + 2c = 0 + -1b
5a + 2c = 0 + -1b
Remove the zero:
5a + 2c = -1b

Add '-2c' to each side of the equation.
5a + 2c + -2c = -1b + -2c

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

Divide each side by '5'.
a = -0.2b + -0.4c

Simplifying
a = -0.2b + -0.4c

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