Simplifying 4x + 15 = 7x + 2 Reorder the terms: 15 + 4x = 7x + 2 Reorder the terms: 15 + 4x = 2 + 7x Solving 15 + 4x = 2 + 7x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7x' to each side of the equation. 15 + 4x + -7x = 2 + 7x + -7x Combine like terms: 4x + -7x = -3x 15 + -3x = 2 + 7x + -7x Combine like terms: 7x + -7x = 0 15 + -3x = 2 + 0 15 + -3x = 2 Add '-15' to each side of the equation. 15 + -15 + -3x = 2 + -15 Combine like terms: 15 + -15 = 0 0 + -3x = 2 + -15 -3x = 2 + -15 Combine like terms: 2 + -15 = -13 -3x = -13 Divide each side by '-3'. x = 4.333333333 Simplifying x = 4.333333333