4(3a+5)+8(a+1)=

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Solution for 4(3a+5)+8(a+1)= equation:


Simplifying
4(3a + 5) + 8(a + 1) = 0

Reorder the terms:
4(5 + 3a) + 8(a + 1) = 0
(5 * 4 + 3a * 4) + 8(a + 1) = 0
(20 + 12a) + 8(a + 1) = 0

Reorder the terms:
20 + 12a + 8(1 + a) = 0
20 + 12a + (1 * 8 + a * 8) = 0
20 + 12a + (8 + 8a) = 0

Reorder the terms:
20 + 8 + 12a + 8a = 0

Combine like terms: 20 + 8 = 28
28 + 12a + 8a = 0

Combine like terms: 12a + 8a = 20a
28 + 20a = 0

Solving
28 + 20a = 0

Solving for variable 'a'.

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

Add '-28' to each side of the equation.
28 + -28 + 20a = 0 + -28

Combine like terms: 28 + -28 = 0
0 + 20a = 0 + -28
20a = 0 + -28

Combine like terms: 0 + -28 = -28
20a = -28

Divide each side by '20'.
a = -1.4

Simplifying
a = -1.4

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