X + y = 40.....multiply by -4
4x + 6y = 180
-------------------
-4x - 4y = -160 (result of multiplying by -4)
4x + 6y = 180
------------------add
2y = 20
y = 20/2
y = 10 <===
x = 30
Answer:
1. 60000.12
2. 54000.15
3. 9600.48
4. 3840.48
Step-by-step explanation:
I really hope this helps and may I receive brainliest please
Answer: The answer is x^2+2xy+2y^2–3x–3y–1
Step-by-step explanation: Move 2 to the left of y^2.
Answer:
A
Step-by-step explanation:
Given
x - 8 = - 12 ( multiply through by 3 to clear the fraction )
x - 24 = - 36 ( add 24 to both sides )
x = - 12 → A
Answer:
789
.5 is a 5 or larger so the 8 goes to a 9
Step-by-step explanation: