25r+5r-42=

Solution for 25r+5r-42= equation:

Simplifying
25r + 5r + -42 = 0

Reorder the terms:
-42 + 25r + 5r = 0

Combine like terms: 25r + 5r = 30r
-42 + 30r = 0

Solving
-42 + 30r = 0

Solving for variable 'r'.

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

Add '42' to each side of the equation.
-42 + 42 + 30r = 0 + 42

Combine like terms: -42 + 42 = 0
0 + 30r = 0 + 42
30r = 0 + 42

Combine like terms: 0 + 42 = 42
30r = 42

Divide each side by '30'.
r = 1.4

Simplifying
r = 1.4