2x + y = 8
x - y = 10
--------------add
3x = 18
x = 6
x - y = 10
6 - y = 10
-y = 10 - 6
-y = 4
y = -4
solution is : (6,-4)
3(4x+5)+2
3•4x=12x
5•3=15+2=17
Answer= 12x + 17
Answer:
x=−2
Step-by-step explanation:
−2x+5−5=9−5
−2x=4
-2x/-2 = 4/-2
x=−2
Answer:
Yes 1.25 is closer to 1.04
Step-by-step explanation:
Hope this helps!
Let each side=x
Use pythagorus
As height at mid of other side
Then: 32=sqrt(X^2-X^2/4)
Therefore X=36.950
