Question

n=?
a-b-1=5
n=-3*a+19+3*b

Answer 1

Răspuns:

Explicatie pas cu pas:

a - b - 1 = 5

a - b = 5 + 1

a - b = 6

______________

n = - 3 × a + 19 + 3 × b

n = - 3 × a + 3 × b + 19

n = - 3 × ( a - b ) + 19

n = - 3 × 6 + 19

n = - 18 + 19

n = 1