Question

Write an expression equivalent to the following: 4x + 20 b. 1/5x + 10

Answer 1

A. 4x + 20
4x= 20
x= -20/-4.
x= 5

b. 1/5x + 10
1/5x = -10
x= -10÷-1/5
x= -10/1 × -5/1
x= -50/1
x= -50