1.5-0.25(a+4)=3+a

Solution for 1.5-0.25(a+4)=3+a equation:

Simplifying
1.5 + -0.25(a + 4) = 3 + a

Reorder the terms:
1.5 + -0.25(4 + a) = 3 + a
1.5 + (4 * -0.25 + a * -0.25) = 3 + a
1.5 + (-1 + -0.25a) = 3 + a

Combine like terms: 1.5 + -1 = 0.5
0.5 + -0.25a = 3 + a

Solving
0.5 + -0.25a = 3 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
0.5 + -0.25a + -1a = 3 + a + -1a

Combine like terms: -0.25a + -1a = -1.25a
0.5 + -1.25a = 3 + a + -1a

Combine like terms: a + -1a = 0
0.5 + -1.25a = 3 + 0
0.5 + -1.25a = 3

Add '-0.5' to each side of the equation.
0.5 + -0.5 + -1.25a = 3 + -0.5

Combine like terms: 0.5 + -0.5 = 0.0
0.0 + -1.25a = 3 + -0.5
-1.25a = 3 + -0.5

Combine like terms: 3 + -0.5 = 2.5
-1.25a = 2.5

Divide each side by '-1.25'.
a = -2

Simplifying
a = -2