Question

9×-45=100+8×

2×+21=45

3×+8=29

6×-4×=100

8×+30=65+13

10×+48=58

25×-13=17-5×

6×+19=181-4×

8×+14=191+7×


HELP!

Answer 1

1) 9x-9x = 45+100
x= 145
2) 2x= -21+45
x= 24/2
x=12
3) 3x= -8+29
3x= 21
x= 21/3
x= 7
4) 2x= 100
x= 100/2
x= 50
5) 8x= -30+65+13
8x=48
x= 48/8
x= 6
6) 10x= -48+58
10x=10
x=10/10
x=1
7) 25x+5x= 17+13
30x= 30
x= 1
9)8x-7x= 191-14
x= 177
a 8 eu não soube fazer