6a-3(4+5)=30

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


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

Combine like terms: 4 + 5 = 9
6a + -3(9) = 30

Multiply -3 * 9
6a + -27 = 30

Reorder the terms:
-27 + 6a = 30

Solving
-27 + 6a = 30

Solving for variable 'a'.

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

Add '27' to each side of the equation.
-27 + 27 + 6a = 30 + 27

Combine like terms: -27 + 27 = 0
0 + 6a = 30 + 27
6a = 30 + 27

Combine like terms: 30 + 27 = 57
6a = 57

Divide each side by '6'.
a = 9.5

Simplifying
a = 9.5

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