2a-(1+5a)=4a

Solution for 2a-(1+5a)=4a equation:

Simplifying
2a + -1(1 + 5a) = 4a
2a + (1 * -1 + 5a * -1) = 4a
2a + (-1 + -5a) = 4a

Reorder the terms:
-1 + 2a + -5a = 4a

Combine like terms: 2a + -5a = -3a
-1 + -3a = 4a

Solving
-1 + -3a = 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-1 + -3a + -4a = 4a + -4a

Combine like terms: -3a + -4a = -7a
-1 + -7a = 4a + -4a

Combine like terms: 4a + -4a = 0
-1 + -7a = 0

Add '1' to each side of the equation.
-1 + 1 + -7a = 0 + 1

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

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

Divide each side by '-7'.
a = -0.1428571429

Simplifying
a = -0.1428571429