4-(3a-9)=

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Solution for 4-(3a-9)= equation:


Simplifying
4 + -1(3a + -9) = 0

Reorder the terms:
4 + -1(-9 + 3a) = 0
4 + (-9 * -1 + 3a * -1) = 0
4 + (9 + -3a) = 0

Combine like terms: 4 + 9 = 13
13 + -3a = 0

Solving
13 + -3a = 0

Solving for variable 'a'.

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

Add '-13' to each side of the equation.
13 + -13 + -3a = 0 + -13

Combine like terms: 13 + -13 = 0
0 + -3a = 0 + -13
-3a = 0 + -13

Combine like terms: 0 + -13 = -13
-3a = -13

Divide each side by '-3'.
a = 4.333333333

Simplifying
a = 4.333333333

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