9(a+4)=78.3

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Solution for 9(a+4)=78.3 equation:


Simplifying
9(a + 4) = 78.3

Reorder the terms:
9(4 + a) = 78.3
(4 * 9 + a * 9) = 78.3
(36 + 9a) = 78.3

Solving
36 + 9a = 78.3

Solving for variable 'a'.

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

Add '-36' to each side of the equation.
36 + -36 + 9a = 78.3 + -36

Combine like terms: 36 + -36 = 0
0 + 9a = 78.3 + -36
9a = 78.3 + -36

Combine like terms: 78.3 + -36 = 42.3
9a = 42.3

Divide each side by '9'.
a = 4.7

Simplifying
a = 4.7

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