add/subtract
x-20=40
x=20
|-45|+x=30
case 1 -15
case 2 -75
6/8=1/x+5+3
x=10.6...
a+b=b+a
communitive property
3(9+19)
84
300-x=222
x=-78
|15x|+36=780
case 1 54.4
case 2 49.6
6/7=9x/8+9+4
x=2
9/1x1/9
Multiplicative inverse
6(20+15)
210
670-x=400
x=-270
|100|+98x=987
case 1 9.05
case 2 11.09
3/8=7x/8+19+20
x=2.517
3(5+8)
distributive property
10(8+14)
220
567-x=789
x=222
|19|+40x=67
case 1 -2.15
case 2 x=1.2
10/20=20x/3+5+9
x=2.352
One plus 3 times x equals 10
15(15+14)
435
589-x=894
x=-305
|90|+75x=718
case 1 8.37
case 2 -10.77
15/40=37x/81+29+20
x=1.31
|-15|=15
absolute value
24(10+34)
1056