5a+4(3a-9)=4+13a

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Solution for 5a+4(3a-9)=4+13a equation:


Simplifying
5a + 4(3a + -9) = 4 + 13a

Reorder the terms:
5a + 4(-9 + 3a) = 4 + 13a
5a + (-9 * 4 + 3a * 4) = 4 + 13a
5a + (-36 + 12a) = 4 + 13a

Reorder the terms:
-36 + 5a + 12a = 4 + 13a

Combine like terms: 5a + 12a = 17a
-36 + 17a = 4 + 13a

Solving
-36 + 17a = 4 + 13a

Solving for variable 'a'.

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

Add '-13a' to each side of the equation.
-36 + 17a + -13a = 4 + 13a + -13a

Combine like terms: 17a + -13a = 4a
-36 + 4a = 4 + 13a + -13a

Combine like terms: 13a + -13a = 0
-36 + 4a = 4 + 0
-36 + 4a = 4

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

Combine like terms: -36 + 36 = 0
0 + 4a = 4 + 36
4a = 4 + 36

Combine like terms: 4 + 36 = 40
4a = 40

Divide each side by '4'.
a = 10

Simplifying
a = 10

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