Answer:
x=3
Step-by-step explanation:
-3x + 7x = -12
You need to add like terms.
4x = -12
Then, you need to divide both side by 4.
x = -3
So the answer is:
A) x = -3
eu não sei, desculpe companheiro, não me denuncie
Answer:4z=-4
Step-by-step explanation:So you do distributive property 4×12 is 48 four times is 40 then you do 4Z +48 equals 44 then you subtract 48 from both sides because it’s edition so you change it to subtraction then once you subtract 48 from both sides 44 subtracted by 48 is -4 so for Z equals -4
