6a-3(4+5a)=30A

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Solution for 6a-3(4+5a)=30A equation: 


Simplifying
6a + -3(4 + 5a) = 30A
6a + (4 * -3 + 5a * -3) = 30A
6a + (-12 + -15a) = 30A

Reorder the terms:
-12 + 6a + -15a = 30A

Combine like terms: 6a + -15a = -9a
-12 + -9a = 30A

Solving
-12 + -9a = 30A

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 + -9a = 12 + 30A

Combine like terms: -12 + 12 = 0
0 + -9a = 12 + 30A
-9a = 12 + 30A

Divide each side by '-9'.
a = -1.333333333 + -3.333333333A

Simplifying
a = -1.333333333 + -3.333333333A

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