Question Solve the equation Solve for d d=3 Evaluate 18d+3d+5d−21d=15Calculate the sum or difference More Steps Evaluate 18d+3d+5d−21dCollect like terms by calculating the sum or difference of their coefficients (18+3+5−21)dCalculate the sum or difference 5d 5d=15Divide both sides 55d=515Divide the numbers d=515Solution More Steps Evaluate 515Reduce the numbers 13Calculate 3 d=3 Show Solution Graph