3(a+5)-2a=2a+18

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Solution for 3(a+5)-2a=2a+18 equation:


Simplifying
3(a + 5) + -2a = 2a + 18

Reorder the terms:
3(5 + a) + -2a = 2a + 18
(5 * 3 + a * 3) + -2a = 2a + 18
(15 + 3a) + -2a = 2a + 18

Combine like terms: 3a + -2a = 1a
15 + 1a = 2a + 18

Reorder the terms:
15 + 1a = 18 + 2a

Solving
15 + 1a = 18 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
15 + 1a + -2a = 18 + 2a + -2a

Combine like terms: 1a + -2a = -1a
15 + -1a = 18 + 2a + -2a

Combine like terms: 2a + -2a = 0
15 + -1a = 18 + 0
15 + -1a = 18

Add '-15' to each side of the equation.
15 + -15 + -1a = 18 + -15

Combine like terms: 15 + -15 = 0
0 + -1a = 18 + -15
-1a = 18 + -15

Combine like terms: 18 + -15 = 3
-1a = 3

Divide each side by '-1'.
a = -3

Simplifying
a = -3

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