-a-3(5-4a)=4

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


Simplifying
-1a + -3(5 + -4a) = 4
-1a + (5 * -3 + -4a * -3) = 4
-1a + (-15 + 12a) = 4

Reorder the terms:
-15 + -1a + 12a = 4

Combine like terms: -1a + 12a = 11a
-15 + 11a = 4

Solving
-15 + 11a = 4

Solving for variable 'a'.

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

Add '15' to each side of the equation.
-15 + 15 + 11a = 4 + 15

Combine like terms: -15 + 15 = 0
0 + 11a = 4 + 15
11a = 4 + 15

Combine like terms: 4 + 15 = 19
11a = 19

Divide each side by '11'.
a = 1.727272727

Simplifying
a = 1.727272727

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