3(3a+5)-7=89

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Solution for 3(3a+5)-7=89 equation:


Simplifying
3(3a + 5) + -7 = 89

Reorder the terms:
3(5 + 3a) + -7 = 89
(5 * 3 + 3a * 3) + -7 = 89
(15 + 9a) + -7 = 89

Reorder the terms:
15 + -7 + 9a = 89

Combine like terms: 15 + -7 = 8
8 + 9a = 89

Solving
8 + 9a = 89

Solving for variable 'a'.

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

Add '-8' to each side of the equation.
8 + -8 + 9a = 89 + -8

Combine like terms: 8 + -8 = 0
0 + 9a = 89 + -8
9a = 89 + -8

Combine like terms: 89 + -8 = 81
9a = 81

Divide each side by '9'.
a = 9

Simplifying
a = 9

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