8(a+9)=142.4

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Solution for 8(a+9)=142.4 equation:


Simplifying
8(a + 9) = 142.4

Reorder the terms:
8(9 + a) = 142.4
(9 * 8 + a * 8) = 142.4
(72 + 8a) = 142.4

Solving
72 + 8a = 142.4

Solving for variable 'a'.

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

Add '-72' to each side of the equation.
72 + -72 + 8a = 142.4 + -72

Combine like terms: 72 + -72 = 0
0 + 8a = 142.4 + -72
8a = 142.4 + -72

Combine like terms: 142.4 + -72 = 70.4
8a = 70.4

Divide each side by '8'.
a = 8.8

Simplifying
a = 8.8

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