Question

The expression 3(x+4)-(2x+7) is equivalent to

Answer 1

x+5

Explanation:

Distribute the 3 and distribute the minus sign (-1).

3(x + 4) - (2x + 7) = 3x + 12 - 2x - 7 = x + 5

Answer 2

x=5

Explanation:

3(x+4)-(2x+7)

use the disturbutive property

3x+12-(2x+7)

distrubute the - sign on the bracket number

3x+12-2x-7

combine the like terms

3x-2x= 1x which is just x

12-7=5

x=5