Question

Evaluate the following expression for x=3 the expression is 2(x-1)

Answer 1

Explanation:

2*(x - 1)

= 2*(3 - 1)

= 2*2

= 4

Answer 2

4

Explanation:

to evaluate the expression, substitute x = 3 into it

2(3 - 1) = 2 × 2 = 4