1) x = 1302 + 20x = 1507
2) x = 5000 - 129x = 3710
3) 1050/a = 1050 = 3a = 1050/a = 350
4) 2x = 111x = 1112 / x = 556
5) x + x - 10 = 22x - 10 = 22x = 3x = 30 / x = 15
6) (x + 5) + 15 = 3x + 5 + 15 = 3x + 20 = 3x = 30 - 2x = 10
1) x = 1302 + 20
x = 1507
2) x = 5000 - 129
x = 3710
3) 1050/a =
1050 = 3
a = 1050/
a = 350
4) 2x = 111
x = 1112 /
x = 556
5) x + x - 10 = 2
2x - 10 = 2
2x = 3
x = 30 /
x = 15
6) (x + 5) + 15 = 3
x + 5 + 15 = 3
x + 20 = 3
x = 30 - 2
x = 10