6r+7=13+7r

how do you solve this?

Simplifying 6r + 7 = 13 + 7r Reorder the terms: 7 + 6r = 13 + 7r Solving 7 + 6r = 13 + 7r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-7r' to each side of the equation. 7 + 6r + - 7r = 13 + 7r + - 7r Combine like terms: 6r + - 7r = - 1r 7 + - 1r = 13 + 7r + - 7r Combine like terms: 7r + - 7r = 0 7 + - 1r = 13 + 0 7 + - 1r = 13 Add '-7' to each side of the equation. 7 + - 7 + - 1r = 13 + - 7 Combine like terms: 7 + - 7 = 0 0 + - 1r = 13 + - 7 - 1r = 13 + - 7 Combine like terms: 13 + - 7 = 6 - 1r = 6 Divide each side by '-1'.