4(a-4)=8(a+5)

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


Simplifying
4(a + -4) = 8(a + 5)

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

Reorder the terms:
-16 + 4a = 8(5 + a)
-16 + 4a = (5 * 8 + a * 8)
-16 + 4a = (40 + 8a)

Solving
-16 + 4a = 40 + 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
-16 + 4a + -8a = 40 + 8a + -8a

Combine like terms: 4a + -8a = -4a
-16 + -4a = 40 + 8a + -8a

Combine like terms: 8a + -8a = 0
-16 + -4a = 40 + 0
-16 + -4a = 40

Add '16' to each side of the equation.
-16 + 16 + -4a = 40 + 16

Combine like terms: -16 + 16 = 0
0 + -4a = 40 + 16
-4a = 40 + 16

Combine like terms: 40 + 16 = 56
-4a = 56

Divide each side by '-4'.
a = -14

Simplifying
a = -14

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