-9-3+7=3a

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Solution for -9-3+7=3a equation:


Simplifying
-9 + -3 + 7 = 3a

Combine like terms: -9 + -3 = -12
-12 + 7 = 3a

Combine like terms: -12 + 7 = -5
-5 = 3a

Solving
-5 = 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-5 + -3a = 3a + -3a

Combine like terms: 3a + -3a = 0
-5 + -3a = 0

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

Combine like terms: -5 + 5 = 0
0 + -3a = 0 + 5
-3a = 0 + 5

Combine like terms: 0 + 5 = 5
-3a = 5

Divide each side by '-3'.
a = -1.666666667

Simplifying
a = -1.666666667

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