Question

agora simplifique as expressões a) x-5+2× b) 6•(2-d)
c)7c+4-8-3c d) -9y+2•(5y-2) e)4s+3s•(20:5)+6 f) (4+3t)•3-8t-7​

Answer 1

Explicação passo-a-passo:

a x-5+2x

X+2x=5

3x=5

x= 5/3

b 6.(2-d)

12-6d=

-6d= 12 (-1)

6d= -12

d= -12/6

d= -2

c. 7c+4-8-3c

7c-3c= -4+8

4c= 4

c=4/4

c=1