Answer:
177
Step-by-step explanation:
You have to multiply and you get 177
Answer:
18
Step-by-step explanation:
I just solved it and I'm pretty sure its only one solution, I took the bottom equation multiplied it by -3 then i canceled out the equations and got 9. So that would make it C.
Answer:
-2.4-(-7) has the same result as -2+7 because the negative sign and the minus sign cancel each other out. Think of it like this. If you cross the negative sign and the minus sign together, then it makes a plus sign.
Step-by-step explanation:
I gave a basic answer. You might have to elaborate more on this.
Answer:
In the picture.
Step-by-step explanation:
Note : From 1 to 12 it's the same idea but without variables (very easy) so , just do the same idea.
I solved the problems contained variables
I hope that it's a clear explanation.