6(2a+5)=78

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Solution for 6(2a+5)=78 equation:


Simplifying
6(2a + 5) = 78

Reorder the terms:
6(5 + 2a) = 78
(5 * 6 + 2a * 6) = 78
(30 + 12a) = 78

Solving
30 + 12a = 78

Solving for variable 'a'.

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

Add '-30' to each side of the equation.
30 + -30 + 12a = 78 + -30

Combine like terms: 30 + -30 = 0
0 + 12a = 78 + -30
12a = 78 + -30

Combine like terms: 78 + -30 = 48
12a = 48

Divide each side by '12'.
a = 4

Simplifying
a = 4

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