2a+4(a-9)=

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Solution for 2a+4(a-9)= equation:


Simplifying
2a + 4(a + -9) = 0

Reorder the terms:
2a + 4(-9 + a) = 0
2a + (-9 * 4 + a * 4) = 0
2a + (-36 + 4a) = 0

Reorder the terms:
-36 + 2a + 4a = 0

Combine like terms: 2a + 4a = 6a
-36 + 6a = 0

Solving
-36 + 6a = 0

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 + 6a = 0 + 36

Combine like terms: -36 + 36 = 0
0 + 6a = 0 + 36
6a = 0 + 36

Combine like terms: 0 + 36 = 36
6a = 36

Divide each side by '6'.
a = 6

Simplifying
a = 6

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