Question

Si a = -4.23, b= -3
Resuelve la siguiente ecuación:
3a + 2 - 7a + 2b + 4a - b

Answer 1

3a + 2 - 7a + 2b + 4a - b = 2 + b = 2 + (-3) = 2 - 3 = -1

Answer 2

3(-4.23)+2-7(-4.23)+2(-3)+4(-4.23)-(-3)

= -12,69+2+29.61-6-16,92+3

= -1