math

Evaluate

100

-2(3x-x)if x=4

-16

200

4m(2)+5m if m=-2

6

300

(8c-d)divided by cd if c=2&d=-4

-2.5

400

(X-y)(2)+2y-7x if x=-4 & y=1

55

500

3x-y-y(2)+xy if x=10 & y=14

-52

Simplifying expressions

100

4(x+2y)

4x+8y

200

-5(3x-2y+z)

-15x+10y-5z

300

-(5a-b+3c(2)+2)

-5a+b-3c(2)-2

400

4(2x-3y)-3x+5y

5x-7y

500

-2(2x(2)+3x)+5(2x-x(2)

-9x(2)+4x

parts of an expression

100

7x(2)+5x(9)+2x(2)-3x(9)+x

2x(9)+9x(2)+x

200

4x(7)+2x(2)-5y-2+8x(10)-3y(2)

8x(10)+4x(7)+2x(2)-3y(2) -5y-2

300

25x(7)+2x(5)-3x(4) +6x-1 how many terms

5

400

1,589xyz+1 how many terms

2

500

5x(2)+3x-2x(2)+x(2)-8x

4x(2)-5x