2(a+2)+a=19-(2a+3)

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Solution for 2(a+2)+a=19-(2a+3) equation:


Simplifying
2(a + 2) + a = 19 + -1(2a + 3)

Reorder the terms:
2(2 + a) + a = 19 + -1(2a + 3)
(2 * 2 + a * 2) + a = 19 + -1(2a + 3)
(4 + 2a) + a = 19 + -1(2a + 3)

Combine like terms: 2a + a = 3a
4 + 3a = 19 + -1(2a + 3)

Reorder the terms:
4 + 3a = 19 + -1(3 + 2a)
4 + 3a = 19 + (3 * -1 + 2a * -1)
4 + 3a = 19 + (-3 + -2a)

Combine like terms: 19 + -3 = 16
4 + 3a = 16 + -2a

Solving
4 + 3a = 16 + -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.
4 + 3a + 2a = 16 + -2a + 2a

Combine like terms: 3a + 2a = 5a
4 + 5a = 16 + -2a + 2a

Combine like terms: -2a + 2a = 0
4 + 5a = 16 + 0
4 + 5a = 16

Add '-4' to each side of the equation.
4 + -4 + 5a = 16 + -4

Combine like terms: 4 + -4 = 0
0 + 5a = 16 + -4
5a = 16 + -4

Combine like terms: 16 + -4 = 12
5a = 12

Divide each side by '5'.
a = 2.4

Simplifying
a = 2.4

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