3a+18=3(2a+3)

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Solution for 3a+18=3(2a+3) equation:


Simplifying
3a + 18 = 3(2a + 3)

Reorder the terms:
18 + 3a = 3(2a + 3)

Reorder the terms:
18 + 3a = 3(3 + 2a)
18 + 3a = (3 * 3 + 2a * 3)
18 + 3a = (9 + 6a)

Solving
18 + 3a = 9 + 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
18 + 3a + -6a = 9 + 6a + -6a

Combine like terms: 3a + -6a = -3a
18 + -3a = 9 + 6a + -6a

Combine like terms: 6a + -6a = 0
18 + -3a = 9 + 0
18 + -3a = 9

Add '-18' to each side of the equation.
18 + -18 + -3a = 9 + -18

Combine like terms: 18 + -18 = 0
0 + -3a = 9 + -18
-3a = 9 + -18

Combine like terms: 9 + -18 = -9
-3a = -9

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

Simplifying
a = 3

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