Answer:
Is there a x somewhere or is that litteraly how the equation is?
If so, -7 multiplied by 2 is -14,
-1 times -7 is 7,
add it together and you get
-7=28,
you could add 7 to both sides or subtract 28 from both sides and you'll get either 0=35 or -35=0
which would make the solution false since both sides are not the same
Answer:
0.3
Step-by-step explanation:
x is the number to be added to 0.7 to have a sum of 1.



Answer: the ratio 2:5
Step-by-step explanation:
I think thats the answer,
Answer:
D
Step-by-step explanation:
It compares two values.
Hope this helps!