6(3.5tr)-1=7r-r

Solution for 6(3.5tr)-1=7r-r equation:

Simplifying
6(3.5tr) + -1 = 7r + -1r

Remove parenthesis around (3.5rt)
6 * 3.5rt + -1 = 7r + -1r

Multiply 6 * 3.5
21rt + -1 = 7r + -1r

Reorder the terms:
-1 + 21rt = 7r + -1r

Combine like terms: 7r + -1r = 6r
-1 + 21rt = 6r

Solving
-1 + 21rt = 6r

Solving for variable 'r'.

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

Add '-6r' to each side of the equation.
-1 + -6r + 21rt = 6r + -6r

Combine like terms: 6r + -6r = 0
-1 + -6r + 21rt = 0

Add '1' to each side of the equation.
-1 + -6r + 1 + 21rt = 0 + 1

Reorder the terms:
-1 + 1 + -6r + 21rt = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -6r + 21rt = 0 + 1
-6r + 21rt = 0 + 1

Combine like terms: 0 + 1 = 1
-6r + 21rt = 1

Reorder the terms:
-1 + -6r + 21rt = 1 + -1

Combine like terms: 1 + -1 = 0
-1 + -6r + 21rt = 0

The solution to this equation could not be determined.