Addition/Subtraction
1+1=
2
1x1=
1
4/8 as a decimal
0.5
12=2x
x=6
2-2=
0
5x4
20
3/4 as a decimal
0.75
14=7x
x=2
10-8=
2
5x104
520
5/8 as a decimal
0.625
12=2x+3
x=4.5
25+25=
50
43x7=
301
9/10 as a decimal
0.9
x=-3
100-48=
52
63/7=
9
9/12 as a decimal
0.75
16-2t=5t+9
t=1