Answer:D the last one
Step-by-step explanation:
The Answer for "X" is going to be 25.63201, rounded to the nearest tenth would be 25.6.
I hope this helped :)
Answer:
The 3rd term would be the parenthesis to the 7th power.
X + 3y = 14
x + 3(3x - 14) = 14
x + 9x - 42 = 14
10x - 42 = 14
<u> + 42 + 42</u>
<u>10x</u> = <u>56</u>
10 10
x = 5.6
5.6 + 3y = 14
<u>- 5.6 - 5.6</u>
<u>3y</u> = <u>8.4</u>
3 3
y = 2.7
(x, y) = (2.7, 5.6)