Show:
One step equation
Addition/Subtraction
One step inequalities
Mixed
2-step ineualites
100
x-(-7)=-19
x=-26
100
1234567890+1234567890
2469135780
100
6x=66
x=11
100
1+1
2
100
5z+4z=36
z=4
200
y-7=-21
y=-14
200
123+321
444
200
56=-8x
-7=x
200
2/3x=5
x=15/2
200
5b-2b=9
b=3
300
r-(-10)=21
r=11
300
123+333
456
300
60=-12x
-5=x
300
x/-6=-8
x=48
300
24=8a-2a
a=4
400
x-18=-22
x=-4
400
666+333
999
400
81=9x
9=x
400
36-0
36
400
-8=g+3g
g=-2
500
y-(-9)=12
y=3
500
109-69
40
500
x/6=-20
x=-120
500
123+123
246
500
n/5+2=6
n=20