Question

The expression on the left side of an equation is shown below.

Answer 1

9514 1404 393

Answer:

  (d)  -2(x +5)

Step-by-step explanation:

For an infinite number of solutions, the left and right sides of the equal sign must have equivalent expressions.

Left side

  -5(x +2) +3x

  = -5x -10 +3x

  = -2x -10

  = -2(x +5)

Right Side Choices

(a) -5x +15 +2x = -3x +15

(b) -5x -10

(c) x -2x +2 +3x = 2x +2

(d) -2(x +5) = -2x -10 . . . . . . . matches left-side expression