Answer:
-4
Step-by-step explanation:
take -3 to other side or add 3 to both sides
So, a=-7+3
=-4
The answer is 10
............
x = 8-(-2.25) = 8+2.25 = 10.25
y = 6-4.2-(-4.9)=6-4.2+4.9=6+0.7=6.7
<span>x-y = 10.25.-6.7=
</span>
Answer:
52
Step-by-step explanation:
120 x .25 = 30
120 - 30 = 90
90 x 0.2 = 18
90 - 18 = 72
72 -20 = <u>52</u>
This is the definition of a rational number.