Hello Again!
What you want to do first is add 4 to -4 and to -13. After doing so, you'll equation will look a little something like this...
-3x=9
You'll then want to divide both -3 and 9 by -3. After doing so, the equation will look like this...
x=-3
Your answer is x=-3
I hope this helps
Answer:
Acute triangle
x = 3
GH = 19
Step-by-step explanation:
Well I'm assuming you mean percent by o/o
Percentages are out of a hundred so you would write it 228/100
X+4=7
-4 -4
x=3
First subtract 4 from 4 and 7
Then keep the equal sign and x=3