Answer:
Step-by-step explanation:
Question 1:
First, write the equation out:
4(x+3)=7x-3
solve for x:
4x+12=7x-3
15=3x
x=5
Question 2:
Do the same on the second question:
30-x=3x-6
36=4x
x=9
Answer:
y=-.5x+4
Step-by-step explanation:
7 and a half hours
Explanation-
8/5=1.6
12/1.6=7.5
Answer:
25
Step-by-step explanation:
25 bc it is the largest number than can go both into 50 and 75
Answer: w is equal to the sum of angles x and y. (W=x+y)
Step-by-step explanation:
The exterior angle of a triangle (in this case w) is equal to the sum of the two remote interior angles of the triangle (in this case angles x and y)