7r+3(2r-1)=

Solution for 7r+3(2r-1)= equation:

Simplifying
7r + 3(2r + -1) = 0

Reorder the terms:
7r + 3(-1 + 2r) = 0
7r + (-1 * 3 + 2r * 3) = 0
7r + (-3 + 6r) = 0

Reorder the terms:
-3 + 7r + 6r = 0

Combine like terms: 7r + 6r = 13r
-3 + 13r = 0

Solving
-3 + 13r = 0

Solving for variable 'r'.

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

Add '3' to each side of the equation.
-3 + 3 + 13r = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 13r = 0 + 3
13r = 0 + 3

Combine like terms: 0 + 3 = 3
13r = 3

Divide each side by '13'.
r = 0.2307692308

Simplifying
r = 0.2307692308