30+5a=3(6+a)

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Solution for 30+5a=3(6+a) equation: 


Simplifying
30 + 5a = 3(6 + a)
30 + 5a = (6 * 3 + a * 3)
30 + 5a = (18 + 3a)

Solving
30 + 5a = 18 + 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.
30 + 5a + -3a = 18 + 3a + -3a

Combine like terms: 5a + -3a = 2a
30 + 2a = 18 + 3a + -3a

Combine like terms: 3a + -3a = 0
30 + 2a = 18 + 0
30 + 2a = 18

Add '-30' to each side of the equation.
30 + -30 + 2a = 18 + -30

Combine like terms: 30 + -30 = 0
0 + 2a = 18 + -30
2a = 18 + -30

Combine like terms: 18 + -30 = -12
2a = -12

Divide each side by '2'.
a = -6

Simplifying
a = -6

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