Question

7(13 - 2x) - 9(x + 10)

Answer 1

1-23x

Explanation:

7(13-2x)-9(x+10)

7(13)+7(-2x)-9(x)-9(10)

91-14x-9x-90

Combine like terms

91-90 = 1

-14x-9x = -23x

1-23x

Answer 2

-23x+1

Explanation:

91-14x - (9x+90)

91-14x-9x-90

-23x+1