Answer:
Solution (4,3)
Step-by-step explanation:
2x-7y= -13
<u>(8x-7y=11)x-1</u>
2x-7y= -13
-8x +7y= -11
x= 4
__________
2x-7y= -13
2(4)-7y=-13
8-7y= -13
subtract 8 from both sides
divide by -7
y= 3
hope it helps..
have a great day!!
Answer:
-2n - 3
Step-by-step explanation:
5n + 6 + (-7n) - 9
5n + 6 - 7n - 9
5n - 7n + 6 - 9
-2n - 3
Answer: 2((x+y)-21)
Calculation/Explanation:
Twice the sum of x and y decreased by 21 means that you must add x and y first before decreasing by 21. The last step is to double the whole equation that we just performed.
Answer:
3
Step-by-step explanation:
Step 1:
x + 5 = 8
Step 2:
x = 8 - 5
Answer:
x = 3
Hope This Helps :)