4(a+9)=16a

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Solution for 4(a+9)=16a equation:


Simplifying
4(a + 9) = 16a

Reorder the terms:
4(9 + a) = 16a
(9 * 4 + a * 4) = 16a
(36 + 4a) = 16a

Solving
36 + 4a = 16a

Solving for variable 'a'.

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

Add '-16a' to each side of the equation.
36 + 4a + -16a = 16a + -16a

Combine like terms: 4a + -16a = -12a
36 + -12a = 16a + -16a

Combine like terms: 16a + -16a = 0
36 + -12a = 0

Add '-36' to each side of the equation.
36 + -36 + -12a = 0 + -36

Combine like terms: 36 + -36 = 0
0 + -12a = 0 + -36
-12a = 0 + -36

Combine like terms: 0 + -36 = -36
-12a = -36

Divide each side by '-12'.
a = 3

Simplifying
a = 3

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