3(a-2)+2(a+9)=a+6

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Solution for 3(a-2)+2(a+9)=a+6 equation:


Simplifying
3(a + -2) + 2(a + 9) = a + 6

Reorder the terms:
3(-2 + a) + 2(a + 9) = a + 6
(-2 * 3 + a * 3) + 2(a + 9) = a + 6
(-6 + 3a) + 2(a + 9) = a + 6

Reorder the terms:
-6 + 3a + 2(9 + a) = a + 6
-6 + 3a + (9 * 2 + a * 2) = a + 6
-6 + 3a + (18 + 2a) = a + 6

Reorder the terms:
-6 + 18 + 3a + 2a = a + 6

Combine like terms: -6 + 18 = 12
12 + 3a + 2a = a + 6

Combine like terms: 3a + 2a = 5a
12 + 5a = a + 6

Reorder the terms:
12 + 5a = 6 + a

Solving
12 + 5a = 6 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
12 + 5a + -1a = 6 + a + -1a

Combine like terms: 5a + -1a = 4a
12 + 4a = 6 + a + -1a

Combine like terms: a + -1a = 0
12 + 4a = 6 + 0
12 + 4a = 6

Add '-12' to each side of the equation.
12 + -12 + 4a = 6 + -12

Combine like terms: 12 + -12 = 0
0 + 4a = 6 + -12
4a = 6 + -12

Combine like terms: 6 + -12 = -6
4a = -6

Divide each side by '4'.
a = -1.5

Simplifying
a = -1.5

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