Question Solve the equation a=−21Alternative Form a=−0.5 Evaluate −8=a×42Use the commutative property to reorder the terms −8=42aSwap the sides of the equation 42a=−8Divide both sides 4242a=42−8Divide the numbers a=42−8Solution More Steps Evaluate 42−8Rewrite the expression 8×2−8Cancel out the common factor 8 2−1Use b−a=−ba=−ba to rewrite the fraction −21 a=−21Alternative Form a=−0.5 Show Solution Graph