3(4a-5)-(3a+5)=16-(2a+3)

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Solution for 3(4a-5)-(3a+5)=16-(2a+3) equation:


Simplifying
3(4a + -5) + -1(3a + 5) = 16 + -1(2a + 3)

Reorder the terms:
3(-5 + 4a) + -1(3a + 5) = 16 + -1(2a + 3)
(-5 * 3 + 4a * 3) + -1(3a + 5) = 16 + -1(2a + 3)
(-15 + 12a) + -1(3a + 5) = 16 + -1(2a + 3)

Reorder the terms:
-15 + 12a + -1(5 + 3a) = 16 + -1(2a + 3)
-15 + 12a + (5 * -1 + 3a * -1) = 16 + -1(2a + 3)
-15 + 12a + (-5 + -3a) = 16 + -1(2a + 3)

Reorder the terms:
-15 + -5 + 12a + -3a = 16 + -1(2a + 3)

Combine like terms: -15 + -5 = -20
-20 + 12a + -3a = 16 + -1(2a + 3)

Combine like terms: 12a + -3a = 9a
-20 + 9a = 16 + -1(2a + 3)

Reorder the terms:
-20 + 9a = 16 + -1(3 + 2a)
-20 + 9a = 16 + (3 * -1 + 2a * -1)
-20 + 9a = 16 + (-3 + -2a)

Combine like terms: 16 + -3 = 13
-20 + 9a = 13 + -2a

Solving
-20 + 9a = 13 + -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.
-20 + 9a + 2a = 13 + -2a + 2a

Combine like terms: 9a + 2a = 11a
-20 + 11a = 13 + -2a + 2a

Combine like terms: -2a + 2a = 0
-20 + 11a = 13 + 0
-20 + 11a = 13

Add '20' to each side of the equation.
-20 + 20 + 11a = 13 + 20

Combine like terms: -20 + 20 = 0
0 + 11a = 13 + 20
11a = 13 + 20

Combine like terms: 13 + 20 = 33
11a = 33

Divide each side by '11'.
a = 3

Simplifying
a = 3

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