3(2a+5)-1=9a+2

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Solution for 3(2a+5)-1=9a+2 equation:


Simplifying
3(2a + 5) + -1 = 9a + 2

Reorder the terms:
3(5 + 2a) + -1 = 9a + 2
(5 * 3 + 2a * 3) + -1 = 9a + 2
(15 + 6a) + -1 = 9a + 2

Reorder the terms:
15 + -1 + 6a = 9a + 2

Combine like terms: 15 + -1 = 14
14 + 6a = 9a + 2

Reorder the terms:
14 + 6a = 2 + 9a

Solving
14 + 6a = 2 + 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
14 + 6a + -9a = 2 + 9a + -9a

Combine like terms: 6a + -9a = -3a
14 + -3a = 2 + 9a + -9a

Combine like terms: 9a + -9a = 0
14 + -3a = 2 + 0
14 + -3a = 2

Add '-14' to each side of the equation.
14 + -14 + -3a = 2 + -14

Combine like terms: 14 + -14 = 0
0 + -3a = 2 + -14
-3a = 2 + -14

Combine like terms: 2 + -14 = -12
-3a = -12

Divide each side by '-3'.
a = 4

Simplifying
a = 4

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