Question

resolva as equações A)8+5y=13 B) 3+x=20 C) 2y+10=16 D) 25+3y=1 E)6y-7=11

Answer 1

Resposta:

a) 5y=13-8

5y=5

y=5/5

y=1

b) x=20-3

x=17

c) 2y=16-10

2y=6

y=6/2

y=3

d) 3y=1-25

3y=-24

y=-24/3

y=-8

e) 6y=11+7

6y=18

y=18/3

y=6