6+7(2-7r)=167

Solution for 6+7(2-7r)=167 equation:

Simplifying
6 + 7(2 + -7r) = 167
6 + (2 * 7 + -7r * 7) = 167
6 + (14 + -49r) = 167

Combine like terms: 6 + 14 = 20
20 + -49r = 167

Solving
20 + -49r = 167

Solving for variable 'r'.

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

Add '-20' to each side of the equation.
20 + -20 + -49r = 167 + -20

Combine like terms: 20 + -20 = 0
0 + -49r = 167 + -20
-49r = 167 + -20

Combine like terms: 167 + -20 = 147
-49r = 147

Divide each side by '-49'.
r = -3

Simplifying
r = -3