2(-4a-1)=-9(a+2)

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Solution for 2(-4a-1)=-9(a+2) equation:


Simplifying
2(-4a + -1) = -9(a + 2)

Reorder the terms:
2(-1 + -4a) = -9(a + 2)
(-1 * 2 + -4a * 2) = -9(a + 2)
(-2 + -8a) = -9(a + 2)

Reorder the terms:
-2 + -8a = -9(2 + a)
-2 + -8a = (2 * -9 + a * -9)
-2 + -8a = (-18 + -9a)

Solving
-2 + -8a = -18 + -9a

Solving for variable 'a'.

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

Add '9a' to each side of the equation.
-2 + -8a + 9a = -18 + -9a + 9a

Combine like terms: -8a + 9a = 1a
-2 + 1a = -18 + -9a + 9a

Combine like terms: -9a + 9a = 0
-2 + 1a = -18 + 0
-2 + 1a = -18

Add '2' to each side of the equation.
-2 + 2 + 1a = -18 + 2

Combine like terms: -2 + 2 = 0
0 + 1a = -18 + 2
1a = -18 + 2

Combine like terms: -18 + 2 = -16
1a = -16

Divide each side by '1'.
a = -16

Simplifying
a = -16

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