Solve the proportion show your work 3/x+1=5/11

How is working backward similar to solving an equation?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x

Which equation shows the variable terms isolated on one side and the constant terms isolated on the other side for the equation -1/2x+3=4-1/4x? a. -1/4x=1 b. -3/4x=1 c. 7=1/4x d. 7=3/4x