3a+4a-.89=6+a

Solution for 3a+4a-.89=6+a equation:

Simplifying
3a + 4a + -0.89 = 6 + a

Reorder the terms:
-0.89 + 3a + 4a = 6 + a

Combine like terms: 3a + 4a = 7a
-0.89 + 7a = 6 + a

Solving
-0.89 + 7a = 6 + 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.
-0.89 + 7a + -1a = 6 + a + -1a

Combine like terms: 7a + -1a = 6a
-0.89 + 6a = 6 + a + -1a

Combine like terms: a + -1a = 0
-0.89 + 6a = 6 + 0
-0.89 + 6a = 6

Add '0.89' to each side of the equation.
-0.89 + 0.89 + 6a = 6 + 0.89

Combine like terms: -0.89 + 0.89 = 0.00
0.00 + 6a = 6 + 0.89
6a = 6 + 0.89

Combine like terms: 6 + 0.89 = 6.89
6a = 6.89

Divide each side by '6'.
a = 1.148333333

Simplifying
a = 1.148333333