a+2s=3(s-2)+1

Solution for a+2s=3(s-2)+1 equation:

Simplifying
a + 2s = 3(s + -2) + 1

Reorder the terms:
a + 2s = 3(-2 + s) + 1
a + 2s = (-2 * 3 + s * 3) + 1
a + 2s = (-6 + 3s) + 1

Reorder the terms:
a + 2s = -6 + 1 + 3s

Combine like terms: -6 + 1 = -5
a + 2s = -5 + 3s

Solving
a + 2s = -5 + 3s

Solving for variable 'a'.

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

Add '-2s' to each side of the equation.
a + 2s + -2s = -5 + 3s + -2s

Combine like terms: 2s + -2s = 0
a + 0 = -5 + 3s + -2s
a = -5 + 3s + -2s

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

Simplifying
a = -5 + 1s