-2a+b-3c=-9

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Solution for -2a+b-3c=-9 equation:


Simplifying
-2a + b + -3c = -9

Solving
-2a + b + -3c = -9

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.
-2a + b + -1b + -3c = -9 + -1b

Combine like terms: b + -1b = 0
-2a + 0 + -3c = -9 + -1b
-2a + -3c = -9 + -1b

Add '3c' to each side of the equation.
-2a + -3c + 3c = -9 + -1b + 3c

Combine like terms: -3c + 3c = 0
-2a + 0 = -9 + -1b + 3c
-2a = -9 + -1b + 3c

Divide each side by '-2'.
a = 4.5 + 0.5b + -1.5c

Simplifying
a = 4.5 + 0.5b + -1.5c

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