Question

Resolva as Equaçoes

A) 3x + 10=31 B)22-5x =x +34

C)18-x=x-2 D)-8y+5=-67

E)12x+3-2x=8 F)4y+7=6y+14

G)2a-5=3a-15

Answer 1

Resposta:

A)3X+10=31.

3X=31-10

X=7

B)-

C)X-18=X-2

2X=-2+18

2X=16

X=16/2

X=8

D)-

E)12X+13-2X=8

12X-2X=8-3

10X=5

X=5/10

F)4Y+7=6y+14

4Y+6Y=14-7

10Y=7/10

G)2a-5=3a-15

2a+3a=-15+5

5a=-10

a=-10/5

a=-2

OBS:respondi somente as que sei resolver!