2a-5(a-4)=-4

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Solution for 2a-5(a-4)=-4 equation:


Simplifying
2a + -5(a + -4) = -4

Reorder the terms:
2a + -5(-4 + a) = -4
2a + (-4 * -5 + a * -5) = -4
2a + (20 + -5a) = -4

Reorder the terms:
20 + 2a + -5a = -4

Combine like terms: 2a + -5a = -3a
20 + -3a = -4

Solving
20 + -3a = -4

Solving for variable 'a'.

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

Add '-20' to each side of the equation.
20 + -20 + -3a = -4 + -20

Combine like terms: 20 + -20 = 0
0 + -3a = -4 + -20
-3a = -4 + -20

Combine like terms: -4 + -20 = -24
-3a = -24

Divide each side by '-3'.
a = 8

Simplifying
a = 8

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