Answer: x1 = 0; x2 = 5/3; x3 = 1/3
x1 + 2x2 - x3 = 3 => 2x1 + 4x2 - 2x3 = 6
2x1 + x2 - 2x3 = 1
=> 4x2 - x2 = 5
⇔ 3x2 = 5
⇔ x2 = 5/3
with x2 = 5/3, we have: x1 - x3 = 3 - 10/3 = -1/3
3x1 - 5x3 = 5 - 4.5/3 = -5/3
=> x1 = 0
x3 = 1/3
Step-by-step explanation:
Answer:
x = 8 - y
Step by step explaination:
==>x + y = 8
==> x = 8 - y
==> substract the value
==> Done
If he does three hours, its 9 strips, for four, its 12, six is 18, seven is 21, and nine is 27
<span>x=<span><span>4</span><span><span>3+<span>√<span><span><span>17</span></span><span></span></span></span></span></span><span></span></span>,<span><span>4</span><span><span>3−<span>√<span><span><span>17</span></span><span></span></span></span></span></span><span> Is the answer.
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I hope this helps. :)
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Answer:
c but you have it so thanks
Step-by-step explanation:
