Question

Simply and then evaluate the equation when x=-1 and y=3 -2x+3(y-5x)-x

Answer 1

27

Explanation:

-2(-1)+3{3-5(-1)}-1(-1)

2+3(3+5)+1

2+3(8)+1

2+24+1

=27

Answer 2

27

Explanation:

-2x+3(y-5x)-x --- distribute the parenthesis

-2x+3y-15x-x --- evaluate by combining similar terms

3y-18x --- plug in -1 for x and 3 for y

3(3)-18(-1) --- evaluate

9+18 --- evaluate

27