Question

e)15=b+20

f)-3=c+1

g)18t-43=65

Answer 1

Resposta:

e) b = -5

f) c = -4

g) 6

Explicação passo-a-passo:

e) 15 = b + 20

15 - 20 = b + 20 - 20

-5 = b

f) -3 = c + 1

-3 -1 = c + 1 - 1

-4 = c

g) 18t - 43 = 65

18t - 43 + 43 = 65 + 43

18t = 108

18t/18 = 108/18

t = 6