Functions
Functions evaluation
Equations with variables on both sides
Multi-step equations
compound inequalities
100
f(x)=2x+5 when x=3

f(3)=11

100

f(x)=3x+7 when x=4

f(4)=19

100

-2x-9=6x+15

x=-3

100

3(x+2)-4=2x+8

x=10

100

3x-2>4 and x+1<6

x>2 and x<5
200
g(x)=x2-4x+7 when x=2

g(2)=3

200

g(x)=x2-3x+1

g(2x-1)=4x2-10x+5

200

-3x-16x+32=-10x-3-14x

x=-7

200

4(x-1)+3=2x+11

x=5

200

5x-3<12 and 2x+1>7

No solution

300

h(x)=3x-1 when x=-2

h(-2)=-7

300

g(x)=2x2-5x+1 when x=3

g(3)=10

300

5x+1=3x+5

x=2

300

5x-7+2(x+3)+4

x=5

300

2x-7>-3 and x+4<10

x>2 and x<6

400

k(x)=x+4/2 when x=6

k(6)=5

400

k(x)=4x2+6x-9 when x=-1

k(-1)=-7

400

12+7x=4x-3

x=-5

400

6(x+4)-3x=15+x

x=3

400

x-1>0 and 4x-9<7

x>1 and x<4

500

m(x)=4x2-x+10 when x=1

m(1)=13

500

f(x)=6x2+ax-7

f(2)=17+2a

500

4x-3=2x+11

x=7

500

2(x+5)+3(x-2)=21

x=4

500

3x+5>11 and 7x-2<20

x>2 and x<4