4(2a-9)=-4

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


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

Reorder the terms:
4(-9 + 2a) = -4
(-9 * 4 + 2a * 4) = -4
(-36 + 8a) = -4

Solving
-36 + 8a = -4

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 + 8a = -4 + 36

Combine like terms: -36 + 36 = 0
0 + 8a = -4 + 36
8a = -4 + 36

Combine like terms: -4 + 36 = 32
8a = 32

Divide each side by '8'.
a = 4

Simplifying
a = 4

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