20+4(a+3)=2(5a-8)

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Solution for 20+4(a+3)=2(5a-8) equation:


Simplifying
20 + 4(a + 3) = 2(5a + -8)

Reorder the terms:
20 + 4(3 + a) = 2(5a + -8)
20 + (3 * 4 + a * 4) = 2(5a + -8)
20 + (12 + 4a) = 2(5a + -8)

Combine like terms: 20 + 12 = 32
32 + 4a = 2(5a + -8)

Reorder the terms:
32 + 4a = 2(-8 + 5a)
32 + 4a = (-8 * 2 + 5a * 2)
32 + 4a = (-16 + 10a)

Solving
32 + 4a = -16 + 10a

Solving for variable 'a'.

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

Add '-10a' to each side of the equation.
32 + 4a + -10a = -16 + 10a + -10a

Combine like terms: 4a + -10a = -6a
32 + -6a = -16 + 10a + -10a

Combine like terms: 10a + -10a = 0
32 + -6a = -16 + 0
32 + -6a = -16

Add '-32' to each side of the equation.
32 + -32 + -6a = -16 + -32

Combine like terms: 32 + -32 = 0
0 + -6a = -16 + -32
-6a = -16 + -32

Combine like terms: -16 + -32 = -48
-6a = -48

Divide each side by '-6'.
a = 8

Simplifying
a = 8

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