Question

The model represents an equation. What value of x makes the equation true?

a) 17/2
b) 17/6
c) -17/2
d) -17/6

Answer 1

B is the correct answer

Answer 2

Option b) 17/6

Explanation:

The equation is an algebraic equation:

This can be expressed as follows:

4x - 8 = -2x + 9

rearranging the terms:

4x + (+2x) = 9 +(+8)

6x = 17

x = 17/6

Hence option B.

This example represents what are known as directed numbers.