Simplify 1
Simplify 2
Equation 1
Equation 2
mix
100

3x+6x

9x

100

2(x+7)

2x+14

100

12-y=5

y=7

100

-5(3k-3)+17=-43

k=5

100

How many terms of expression 

3x^2+2y-5

3

200

3xy-4xy+7xy

6xy

200

-2(x-3)

-2x+6

200

a/2=12

a=24

200

5(x+2)=3(x+6)

x=4

200

What's the coefficient of the term 

-3x^2

-3

300

3x^2+5y^2+2x^2-6y^2

5x^2-y^2

300

-1/3(3x+9)

-x-3

300

7g-5=37

g=6

300

4(x+5)=-6(x-4)

x=2/5

300

What's the constant of the expression 

4x^2-3y-7

-7

400

6(x+2)-2(x-4)

4x+20

400

(20x^3y)/(10x^2)

2xy

400

2(w-22)=34

w=39

400

y/3+3=y/5-1

y=-30

400

38cm

500

3x(y-2)-1/2x(2-4y)

5xy-7x

500

-2(-4-3j+k)

8+6j-2k

500

5x-9=-3x+7

x=2

500

(3m)/2-5=(3m)/4-6

m=-4/3

500

15