-21.5=-8(2.5a+9.5)

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Solution for -21.5=-8(2.5a+9.5) equation:


Simplifying
-21.5 = -8(2.5a + 9.5)

Reorder the terms:
-21.5 = -8(9.5 + 2.5a)
-21.5 = (9.5 * -8 + 2.5a * -8)
-21.5 = (-76 + -20a)

Solving
-21.5 = -76 + -20a

Solving for variable 'a'.

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

Add '20a' to each side of the equation.
-21.5 + 20a = -76 + -20a + 20a

Combine like terms: -20a + 20a = 0
-21.5 + 20a = -76 + 0
-21.5 + 20a = -76

Add '21.5' to each side of the equation.
-21.5 + 21.5 + 20a = -76 + 21.5

Combine like terms: -21.5 + 21.5 = 0.0
0.0 + 20a = -76 + 21.5
20a = -76 + 21.5

Combine like terms: -76 + 21.5 = -54.5
20a = -54.5

Divide each side by '20'.
a = -2.725

Simplifying
a = -2.725

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