6a-3(a+4)=69

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Solution for 6a-3(a+4)=69 equation:


Simplifying
6a + -3(a + 4) = 69

Reorder the terms:
6a + -3(4 + a) = 69
6a + (4 * -3 + a * -3) = 69
6a + (-12 + -3a) = 69

Reorder the terms:
-12 + 6a + -3a = 69

Combine like terms: 6a + -3a = 3a
-12 + 3a = 69

Solving
-12 + 3a = 69

Solving for variable 'a'.

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

Add '12' to each side of the equation.
-12 + 12 + 3a = 69 + 12

Combine like terms: -12 + 12 = 0
0 + 3a = 69 + 12
3a = 69 + 12

Combine like terms: 69 + 12 = 81
3a = 81

Divide each side by '3'.
a = 27

Simplifying
a = 27

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