8a+3-5a=7a

Solution for 8a+3-5a=7a equation:

Simplifying
8a + 3 + -5a = 7a

Reorder the terms:
3 + 8a + -5a = 7a

Combine like terms: 8a + -5a = 3a
3 + 3a = 7a

Solving
3 + 3a = 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
3 + 3a + -7a = 7a + -7a

Combine like terms: 3a + -7a = -4a
3 + -4a = 7a + -7a

Combine like terms: 7a + -7a = 0
3 + -4a = 0

Add '-3' to each side of the equation.
3 + -3 + -4a = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -4a = 0 + -3
-4a = 0 + -3

Combine like terms: 0 + -3 = -3
-4a = -3

Divide each side by '-4'.
a = 0.75

Simplifying
a = 0.75