So the equation looks like this : 15*3x=78
subtract 15 from both sides: -15 -15
then divide by 3 from both sides
to isolate the variable: 3x=63
3/3x=63/3
x=21 (your mystery number is 21)
0= x^2-7x+10
Factor
(x-5)(x-2)=0
Check
-5-2=-7, -5*-2=10
Use ZPP
x-5=0
x=5
x-2=0
x=2
Final answer: x=2, x=5
Answer:
$2.08
Step-by-step explanation:
2 7/8= 23/8 divided 1.38
Answer:
Gabriel Mouton was a church vicar who lived in Lyons, France, who is considered to be the creator of the metric stystem. he created it in 1970
Step-by-step explanation:
