9(a+4)-2a=19-3(a+6)

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Solution for 9(a+4)-2a=19-3(a+6) equation:


Simplifying
9(a + 4) + -2a = 19 + -3(a + 6)

Reorder the terms:
9(4 + a) + -2a = 19 + -3(a + 6)
(4 * 9 + a * 9) + -2a = 19 + -3(a + 6)
(36 + 9a) + -2a = 19 + -3(a + 6)

Combine like terms: 9a + -2a = 7a
36 + 7a = 19 + -3(a + 6)

Reorder the terms:
36 + 7a = 19 + -3(6 + a)
36 + 7a = 19 + (6 * -3 + a * -3)
36 + 7a = 19 + (-18 + -3a)

Combine like terms: 19 + -18 = 1
36 + 7a = 1 + -3a

Solving
36 + 7a = 1 + -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.
36 + 7a + 3a = 1 + -3a + 3a

Combine like terms: 7a + 3a = 10a
36 + 10a = 1 + -3a + 3a

Combine like terms: -3a + 3a = 0
36 + 10a = 1 + 0
36 + 10a = 1

Add '-36' to each side of the equation.
36 + -36 + 10a = 1 + -36

Combine like terms: 36 + -36 = 0
0 + 10a = 1 + -36
10a = 1 + -36

Combine like terms: 1 + -36 = -35
10a = -35

Divide each side by '10'.
a = -3.5

Simplifying
a = -3.5

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