3(2a+5)=3(a+3)

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


Simplifying
3(2a + 5) = 3(a + 3)

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

Reorder the terms:
15 + 6a = 3(3 + a)
15 + 6a = (3 * 3 + a * 3)
15 + 6a = (9 + 3a)

Solving
15 + 6a = 9 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
15 + 6a + -3a = 9 + 3a + -3a

Combine like terms: 6a + -3a = 3a
15 + 3a = 9 + 3a + -3a

Combine like terms: 3a + -3a = 0
15 + 3a = 9 + 0
15 + 3a = 9

Add '-15' to each side of the equation.
15 + -15 + 3a = 9 + -15

Combine like terms: 15 + -15 = 0
0 + 3a = 9 + -15
3a = 9 + -15

Combine like terms: 9 + -15 = -6
3a = -6

Divide each side by '3'.
a = -2

Simplifying
a = -2

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