Question

1) necesito resolver estas ecuaciones:

1_X-4+5=7 2_ 3+X-7=17

3_X-8=10. 4_ 3+X-7=14

Answer 1

1) x - 4 + 5 = 7
x = 7 + 4 - 5
x = 11 - 5
x = 6

2) 3 + x - 7 = 17
x = 17 - 3 + 7
x = 14 + 7
x = 21

3) x - 8 = 10
x = 10 + 8
x = 18

4) 3 + x - 7 = 14
x = 14 - 3 + 7
x = 11 + 7
x = 18