Question

x + 9 = 15
u – 7 = -5
x - 6 = -3
y + 2 = 11

7v = 42
v – 3 = 4
z + 6 = 8
X + 9 = 17​

Answer 1

Răspuns:

x=15-9

x=6

u=-5+7

u=2

x=-3+6

x=3

y=11-2

y=9

v=42:7

v=6

v=4+3

v=7

z=8-6

z=2

x=17-9

x=8