Answer:
73
Step-by-step explanation:
Original number: XY
x = 3y - 2
10y + x = (10x + y) / 2 + 1/2
substitution: 10y + 3y - 2 = 13y - 2 = (10 * (3y - 2) + y) / 2 + 1/2
* 2 both sides and simplify: 26y - 4 = 31y - 19
31y - 26y = -4 + 19
5y = 15
y = 3
x = 7
Original number: 73
Answer:
domain and range will be ( negative infinity, positive infinity
Answer:
1/10 of 20 in an equation is 2
Answer: 16x -10
Step-by-step explanation:
2x + 14x = 16x
-4 - 6 = -10
Answer:
You use rise over run (rise/run) which is the x and y coordinates. You count how many to the going up or down then you count left to right. Hope this is useful of helpful! :)
Step-by-step explanation:
Here is a image thats an example.