Question

7) Resolva as equações:
a) 7x - 25 = 3
b) 3x + 12 = -5 x - 24
c) -7x + 4x - 18 = -5x + 36
d) 9x -3x + 27 = -2x -47​

Answer 1

LETRA( B) CONFIA NO PAI

Answer 2

Resposta:

a)7x-25=3

7x=3+25

7x=28

x=28÷7

x=4

b)8x= -36

x= -9/4

c)2x=54

x=54/2

x=27

d)8x=74

x=37/4