X+ y = 2....multiply by -2
2x + 5y = 16
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-2x - 2y = -4 (result of multiplying by 2-)
2x + 5y = 16
-------------add
3y = 12
y = 12/3
y = 4
x + y = 2
x + 4 = 2
x = 2 - 4
x = -2
solution is (-2,4)
Answer: 9
Step-by-step explanation: You have to use PEMDAS for this equation. First, E for Exponent. 2 to the 3rd power is 8. Then, M for Multiply. 4 times 2 is 8. You then add the two 8’s together. Finally, S for Subtract. 16-7 is 9
Answer:
broiioooooo espero que te sirva
The sides of a rhombus are equal length, so you have
... 5x + 20 = 6x + 10
... 10 = x . . . . . . . . subtract 5x+10
Then the side lengths are
... 5·10 +10 = 70
4. 12×23= 276 ounces <span>for 23 packages of flavoring</span>
