6(a+9)=90

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Solution for 6(a+9)=90 equation: 


Simplifying
6(a + 9) = 90

Reorder the terms:
6(9 + a) = 90
(9 * 6 + a * 6) = 90
(54 + 6a) = 90

Solving
54 + 6a = 90

Solving for variable 'a'.

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

Add '-54' to each side of the equation.
54 + -54 + 6a = 90 + -54

Combine like terms: 54 + -54 = 0
0 + 6a = 90 + -54
6a = 90 + -54

Combine like terms: 90 + -54 = 36
6a = 36

Divide each side by '6'.
a = 6

Simplifying
a = 6

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