23=-9+3(a+4)

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Solution for 23=-9+3(a+4) equation:


Simplifying
23 = -9 + 3(a + 4)

Reorder the terms:
23 = -9 + 3(4 + a)
23 = -9 + (4 * 3 + a * 3)
23 = -9 + (12 + 3a)

Combine like terms: -9 + 12 = 3
23 = 3 + 3a

Solving
23 = 3 + 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.
23 + -3a = 3 + 3a + -3a

Combine like terms: 3a + -3a = 0
23 + -3a = 3 + 0
23 + -3a = 3

Add '-23' to each side of the equation.
23 + -23 + -3a = 3 + -23

Combine like terms: 23 + -23 = 0
0 + -3a = 3 + -23
-3a = 3 + -23

Combine like terms: 3 + -23 = -20
-3a = -20

Divide each side by '-3'.
a = 6.666666667

Simplifying
a = 6.666666667

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