5(a+4)=28.5

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Solution for 5(a+4)=28.5 equation:


Simplifying
5(a + 4) = 28.5

Reorder the terms:
5(4 + a) = 28.5
(4 * 5 + a * 5) = 28.5
(20 + 5a) = 28.5

Solving
20 + 5a = 28.5

Solving for variable 'a'.

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

Add '-20' to each side of the equation.
20 + -20 + 5a = 28.5 + -20

Combine like terms: 20 + -20 = 0
0 + 5a = 28.5 + -20
5a = 28.5 + -20

Combine like terms: 28.5 + -20 = 8.5
5a = 8.5

Divide each side by '5'.
a = 1.7

Simplifying
a = 1.7

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