9a-4+3(a+11)=23

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Solution for 9a-4+3(a+11)=23 equation:


Simplifying
9a + -4 + 3(a + 11) = 23

Reorder the terms:
9a + -4 + 3(11 + a) = 23
9a + -4 + (11 * 3 + a * 3) = 23
9a + -4 + (33 + 3a) = 23

Reorder the terms:
-4 + 33 + 9a + 3a = 23

Combine like terms: -4 + 33 = 29
29 + 9a + 3a = 23

Combine like terms: 9a + 3a = 12a
29 + 12a = 23

Solving
29 + 12a = 23

Solving for variable 'a'.

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

Add '-29' to each side of the equation.
29 + -29 + 12a = 23 + -29

Combine like terms: 29 + -29 = 0
0 + 12a = 23 + -29
12a = 23 + -29

Combine like terms: 23 + -29 = -6
12a = -6

Divide each side by '12'.
a = -0.5

Simplifying
a = -0.5

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