Question

Write the following algebraically, using x as your unknown.

I think of a number, multiply it by 2, subtract 3 and multiply the result by 4

Answer 1

4(2x - 3).

Explanation:

(x * 2 - 3) * 4

= 4(2x - 3)

Answer 2

(2x - 3)*4

Explanation:

"I think of a number" : OK, I'm thinking of my x

"multiply it by 2" : Now I have two of them: 2x

"subtract 3": Here we go: -3

"multiply the result [ (2x-3)] by 4: multiply by 4: *4

Now put them all together: (2x - 3)*4

[Also: 8x - 12]