Answer:
The addition property of equality
Step-by-step explanation:
2 + 8 = 10
10 = 10
Answer:
-3
Step-by-step explanation:
i think it might be-3 because a negative and a negative equals a positive
It will take her 51.4 minutes.
Explanation:
You would do 12/7 and then multiply that answer by 30.
Answer:
X = 2
Y = 1
Step-by-step explanation:
x + 4y = 6
3x + 3y = 9
3x + 12y = 18
3x + 3y = 9
9y = 9
x + 4y = 6
y = 1
x + 4 * 1 = 6
y = 1
x + 4 = 6
y = 1
x = 2
so there ia only 1 solution for this equation is (2;1)
Done :))
