21a+6=17a+34

Solution for 21a+6=17a+34 equation:

Simplifying
21a + 6 = 17a + 34

Reorder the terms:
6 + 21a = 17a + 34

Reorder the terms:
6 + 21a = 34 + 17a

Solving
6 + 21a = 34 + 17a

Solving for variable 'a'.

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

Add '-17a' to each side of the equation.
6 + 21a + -17a = 34 + 17a + -17a

Combine like terms: 21a + -17a = 4a
6 + 4a = 34 + 17a + -17a

Combine like terms: 17a + -17a = 0
6 + 4a = 34 + 0
6 + 4a = 34

Add '-6' to each side of the equation.
6 + -6 + 4a = 34 + -6

Combine like terms: 6 + -6 = 0
0 + 4a = 34 + -6
4a = 34 + -6

Combine like terms: 34 + -6 = 28
4a = 28

Divide each side by '4'.
a = 7

Simplifying
a = 7