Tìm x:
a) x − 3 = 9
b) x − 8 = 16
c) x − 20 = 35
d) x − 5 = 17
c) x − 15 = 27
g) x − 36 = 36
a) x + 42 = 42 - x
b) x - 36 = 36 + x
tìm x
x-36= 36-x
ai làm nhanh tick nhá
Tìm x
X + 7 = 36
19 + x = 58
X + 28 = 75
Tìm x:
a) 28 – x = 16
34 – x = 9
34 – x = 15
b) x – 14 = 18
x + 20 = 36
17 – x = 8
Tìm x:
a) x × 3 = 21
b) 4 × x = 36
c) x × 5 = 5
Tìm x:
a) x + 8 = 36
b) 9 + x = 48
c) x + 7 = 55
Tìm x:
a) x + 16 = 32
b) x + 27 = 52
c) 36 + x = 42