Question

encontre o valor do termo desconhecido em cada caso

a) 45+x= 70
b)x+8 = 103
c) y-13 = 202
d) 408-x = 245

porfavor me ajudeeeem :')

Answer 1

a) 45+x = 70 (isole o x)
x = 70 - 45
x = 25

b) x+8 = 103
x = 103 - 8
x = 95

c) y - 13 = 202
y = 202+13
y = 215

d) 408-x = 245
- x = 245 - 408
- x = -163 (.-1)
Para obter um resultado e um X positivo multiplica-se por -1.
x = 163.
 

Answer 2

Resposta:

\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\aaaaaaaaaaaaaaaaaaaaaaaaaaa\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\dddddddddddddddddddddddddddddddddddddddddddd\\\\\\\\\\\\\\\\\\\\eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

Explicação passo-a-passo: