La siguientes ecuaciones son: Condicionales, contradictorias, o de identidad? A. 3x-1=3x+1 B. 4x-11=7 C. 2-8x=2-8x D. x+1=-x+4

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given

Why is x= 4 a solution to the proportion 14/x 56/1 6