3w+12-6a=-9

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Solution for 3w+12-6a=-9 equation:


Simplifying
3w + 12 + -6a = -9

Reorder the terms:
12 + -6a + 3w = -9

Solving
12 + -6a + 3w = -9

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + -6a + -12 + 3w = -9 + -12

Reorder the terms:
12 + -12 + -6a + 3w = -9 + -12

Combine like terms: 12 + -12 = 0
0 + -6a + 3w = -9 + -12
-6a + 3w = -9 + -12

Combine like terms: -9 + -12 = -21
-6a + 3w = -21

Add '-3w' to each side of the equation.
-6a + 3w + -3w = -21 + -3w

Combine like terms: 3w + -3w = 0
-6a + 0 = -21 + -3w
-6a = -21 + -3w

Divide each side by '-6'.
a = 3.5 + 0.5w

Simplifying
a = 3.5 + 0.5w

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