Реши уравнения. x+8=11 x-7=10

Question

Реши уравнения. x+8=11 x-7=10

Answer 1

Х=11-8
х=3

_____________________

х=7+10
х=17

Answer 2

X + 8 = 11
x = 11 - 8 = 3
x = 3
x - 7 = 10
x = 10 + 7 = 17
x = 17