7a-30=a

Solution for 7a-30=a equation:

Simplifying
7a + -30 = a

Reorder the terms:
-30 + 7a = a

Solving
-30 + 7a = 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.
-30 + 7a + -1a = a + -1a

Combine like terms: 7a + -1a = 6a
-30 + 6a = a + -1a

Combine like terms: a + -1a = 0
-30 + 6a = 0

Add '30' to each side of the equation.
-30 + 30 + 6a = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 6a = 0 + 30
6a = 0 + 30

Combine like terms: 0 + 30 = 30
6a = 30

Divide each side by '6'.
a = 5

Simplifying
a = 5