3(a+5)-6(2a-4)=2(a+3)

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Solution for 3(a+5)-6(2a-4)=2(a+3) equation:


Simplifying
3(a + 5) + -6(2a + -4) = 2(a + 3)

Reorder the terms:
3(5 + a) + -6(2a + -4) = 2(a + 3)
(5 * 3 + a * 3) + -6(2a + -4) = 2(a + 3)
(15 + 3a) + -6(2a + -4) = 2(a + 3)

Reorder the terms:
15 + 3a + -6(-4 + 2a) = 2(a + 3)
15 + 3a + (-4 * -6 + 2a * -6) = 2(a + 3)
15 + 3a + (24 + -12a) = 2(a + 3)

Reorder the terms:
15 + 24 + 3a + -12a = 2(a + 3)

Combine like terms: 15 + 24 = 39
39 + 3a + -12a = 2(a + 3)

Combine like terms: 3a + -12a = -9a
39 + -9a = 2(a + 3)

Reorder the terms:
39 + -9a = 2(3 + a)
39 + -9a = (3 * 2 + a * 2)
39 + -9a = (6 + 2a)

Solving
39 + -9a = 6 + 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.
39 + -9a + -2a = 6 + 2a + -2a

Combine like terms: -9a + -2a = -11a
39 + -11a = 6 + 2a + -2a

Combine like terms: 2a + -2a = 0
39 + -11a = 6 + 0
39 + -11a = 6

Add '-39' to each side of the equation.
39 + -39 + -11a = 6 + -39

Combine like terms: 39 + -39 = 0
0 + -11a = 6 + -39
-11a = 6 + -39

Combine like terms: 6 + -39 = -33
-11a = -33

Divide each side by '-11'.
a = 3

Simplifying
a = 3

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