Question Solve the equation a=−30 Evaluate 9=(−107)a−12Remove the parentheses 9=−107a−12Swap the sides of the equation −107a−12=9Move the constant to the right-hand side and change its sign −107a=9+12Add the numbers −107a=21Change the signs on both sides of the equation 107a=−21Multiply by the reciprocal 107a×710=−21×710Multiply a=−21×710Solution More Steps Evaluate −21×710Reduce the numbers −3×10Multiply the numbers −30 a=−30 Show Solution Graph