a-(7a-3)=

Solution for a-(7a-3)= equation:

Simplifying
a + -1(7a + -3) = 0

Reorder the terms:
a + -1(-3 + 7a) = 0
a + (-3 * -1 + 7a * -1) = 0
a + (3 + -7a) = 0

Reorder the terms:
3 + a + -7a = 0

Combine like terms: a + -7a = -6a
3 + -6a = 0

Solving
3 + -6a = 0

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + -6a = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -6a = 0 + -3
-6a = 0 + -3

Combine like terms: 0 + -3 = -3
-6a = -3

Divide each side by '-6'.
a = 0.5

Simplifying
a = 0.5