15a-9a+7-4a+5b-3c=

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Solution for 15a-9a+7-4a+5b-3c= equation:


Simplifying
15a + -9a + 7 + -4a + 5b + -3c = 0

Reorder the terms:
7 + 15a + -9a + -4a + 5b + -3c = 0

Combine like terms: 15a + -9a = 6a
7 + 6a + -4a + 5b + -3c = 0

Combine like terms: 6a + -4a = 2a
7 + 2a + 5b + -3c = 0

Solving
7 + 2a + 5b + -3c = 0

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + 2a + 5b + -7 + -3c = 0 + -7

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

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

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

Add '-5b' to each side of the equation.
2a + 5b + -5b + -3c = -7 + -5b

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

Add '3c' to each side of the equation.
2a + -3c + 3c = -7 + -5b + 3c

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

Divide each side by '2'.
a = -3.5 + -2.5b + 1.5c

Simplifying
a = -3.5 + -2.5b + 1.5c

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