3a+1=-3.6(a+1)

Solution for 3a+1=-3.6(a+1) equation:

Simplifying
3a + 1 = -3.6(a + 1)

Reorder the terms:
1 + 3a = -3.6(a + 1)

Reorder the terms:
1 + 3a = -3.6(1 + a)
1 + 3a = (1 * -3.6 + a * -3.6)
1 + 3a = (-3.6 + -3.6a)

Solving
1 + 3a = -3.6 + -3.6a

Solving for variable 'a'.

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

Add '3.6a' to each side of the equation.
1 + 3a + 3.6a = -3.6 + -3.6a + 3.6a

Combine like terms: 3a + 3.6a = 6.6a
1 + 6.6a = -3.6 + -3.6a + 3.6a

Combine like terms: -3.6a + 3.6a = 0.0
1 + 6.6a = -3.6 + 0.0
1 + 6.6a = -3.6

Add '-1' to each side of the equation.
1 + -1 + 6.6a = -3.6 + -1

Combine like terms: 1 + -1 = 0
0 + 6.6a = -3.6 + -1
6.6a = -3.6 + -1

Combine like terms: -3.6 + -1 = -4.6
6.6a = -4.6

Divide each side by '6.6'.
a = -0.696969697

Simplifying
a = -0.696969697