3a+9-5a=-27

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Solution for 3a+9-5a=-27 equation:


Simplifying
3a + 9 + -5a = -27

Reorder the terms:
9 + 3a + -5a = -27

Combine like terms: 3a + -5a = -2a
9 + -2a = -27

Solving
9 + -2a = -27

Solving for variable 'a'.

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

Add '-9' to each side of the equation.
9 + -9 + -2a = -27 + -9

Combine like terms: 9 + -9 = 0
0 + -2a = -27 + -9
-2a = -27 + -9

Combine like terms: -27 + -9 = -36
-2a = -36

Divide each side by '-2'.
a = 18

Simplifying
a = 18

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