Simplifying 32.6 = 17.3 + -1d Solving 32.6 = 17.3 + -1d Solving for variable 'd'. Move all terms containing d to the left, all other terms to the right. Add 'd' to each side of the equation. 32.6 + d = 17.3 + -1d + d Combine like terms: -1d + d = 0 32.6 + d = 17.3 + 0 32.6 + d = 17.3 Add '-32.6' to each side of the equation. 32.6 + -32.6 + d = 17.3 + -32.6 Combine like terms: 32.6 + -32.6 = 0.0 0.0 + d = 17.3 + -32.6 d = 17.3 + -32.6 Combine like terms: 17.3 + -32.6 = -15.3 d = -15.3 Simplifying d = -15.3