7a+3-(a+1)=

Solution for 7a+3-(a+1)= equation:

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

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

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

Combine like terms: 3 + -1 = 2
2 + 7a + -1a = 0

Combine like terms: 7a + -1a = 6a
2 + 6a = 0

Solving
2 + 6a = 0

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -2 + 6a = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 6a = 0 + -2
6a = 0 + -2

Combine like terms: 0 + -2 = -2
6a = -2

Divide each side by '6'.
a = -0.3333333333

Simplifying
a = -0.3333333333