Question

2x+24=42 746+t=947 2c-68=78 4d-58=12 91=m+19 753-2p=275 70+2n=266 98=n-18


Решите уравнения

Answer 1

2x+24=42
2х=42-24
2х=18
х=18:2
х=9

746+t=947
t=947-746
t=201

2c-68=78
2c=78+68
2c=146
c=73

4d-58=12 
4d=12+68
4d=80
d=20

91=m+19
-m=19-91
-m=-72
m=72

753-2p=275
-2p=275-753
-2p=-478
p=239

70+2n=266 
2n=266-70
2n=196
n=196/2
n=98

98=n-18
-n=-18-98
-n=-116
n=116