This is simple you just need to think what minus or plus the variable in each equation (letter that represents an unknown number) equals what the equations do
No. 19 X= -8
No.20 R=10
No.21 X=0
No.22 B=7
No.23 V=-4
No.24 N=10
No.25 X=7
No.26 K=4
No.27 N=-4
No.28 X=-7
Use photomath it's an app used for mathematic problems but not word problems
Answer:−18x>36
Divide both sides by −18. Since −18 is negative, the inequality direction is changed.
x< −18
36
Divide 36 by −18 to get −2.
x<−2
Step-by-step explanation:
Hope this helps!
Answer:
A : ±2
Step-by-step explanation:
Add 14 and you have ...
... x² = 4
Take the square root and you have ...
... x = ±√4 = ±2
Answer:
both A and E
Step-by-step explanation:
because most of 70% of the water is sea salt and clean water comes from frozen underground.
