Answer:
x = 5
Step-by-step explanation:
You know what "y" equals, so you just need to insert the value into the equation, then solve for "x".
-13 = -3x + 2
-13 - 2 = -3x
-15 = -3x
5 = x
x = 5
Answer:
Grams.
Step-by-step explanation:
You can set up a proportion that looks like 3/7 = x/21. X being the number that you are trying to find. Seven goes into 21 three times. So multiply 3 also by that 3 to get 9. So three sevenths of twenty-one is 9.
Answer:
Step-by-step explanation:
The addition of angles ABD and DBC make up the larger angle ABC. We know that angle ABD = 65 and DBC = 60, therefore
angle ABC = 65 + 60 and
angle ABC = 125 degrees