Question

Resolva as equacões

a) X+5=8
b) 10=X+8
c) 2x +4=16
d)2x -2=12-5×
e) 33+ x =5 -3x ​

Answer 1

Resposta:

a) 3

b) 2

c) 6

d) 2

e) -7

Explicação passo-a-passo:

a) X+5=8

X=8-5

x=3

b) 10 = X+8

10-8=X

X=2

c) 2X+4=16

2X=16-4

2X=12

X=12/2

X=6

d) 2x-2=12-5x

2x+5x=12+2

7x=14

x=14/7

x=2

e) 33+x=5-3x

33-5=-x-3x

28=-4x

x=28/-4

x=-7