Question

Vhich expression is equivalent to -4(2 - 6x) - 2.5x ? 3x - 8

Answer 1

We are given the expression

-2(5r + 3) + 9r

We will be applying the order of operation (PEMDAS)

Firstly, we will open the parenthesis

-2 x 5r + -2 x 3 + 9r

-10r - 6 + 9r

Collect the like terms

-10r + 9r - 6

-r - 6

The answer is -r -6: OPTION D