Respuesta :
-4 (x - 5) + 3 (a - 7)
First, expand your problem. / Your problem should look like: -4x + 20 + 3a - 21
Second, simplify. / Your problem should look like: -4x + 3a - 1
Answer: -4x + 3a - 1 (C)
First, expand your problem. / Your problem should look like: -4x + 20 + 3a - 21
Second, simplify. / Your problem should look like: -4x + 3a - 1
Answer: -4x + 3a - 1 (C)
−4(x−5)+3(a−7)
Distribute:
=(−4)(x)+(−4)(−5)+(3)(a)+(3)(−7)
=−4x+20+3a+−21
Combine Like Terms:
=−4x+20+3a+−21
=(3a)+(−4x)+(20+−21)
=3a+−4x+−1
Distribute:
=(−4)(x)+(−4)(−5)+(3)(a)+(3)(−7)
=−4x+20+3a+−21
Combine Like Terms:
=−4x+20+3a+−21
=(3a)+(−4x)+(20+−21)
=3a+−4x+−1