5(a+4)=12a-1

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Solution for 5(a+4)=12a-1 equation:


Simplifying
5(a + 4) = 12a + -1

Reorder the terms:
5(4 + a) = 12a + -1
(4 * 5 + a * 5) = 12a + -1
(20 + 5a) = 12a + -1

Reorder the terms:
20 + 5a = -1 + 12a

Solving
20 + 5a = -1 + 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
20 + 5a + -12a = -1 + 12a + -12a

Combine like terms: 5a + -12a = -7a
20 + -7a = -1 + 12a + -12a

Combine like terms: 12a + -12a = 0
20 + -7a = -1 + 0
20 + -7a = -1

Add '-20' to each side of the equation.
20 + -20 + -7a = -1 + -20

Combine like terms: 20 + -20 = 0
0 + -7a = -1 + -20
-7a = -1 + -20

Combine like terms: -1 + -20 = -21
-7a = -21

Divide each side by '-7'.
a = 3

Simplifying
a = 3

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