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zysi [14]
3 years ago
12

What is the solution of the system of equations? y = x - 10 y = 2x + 5

Mathematics
1 answer:
Rainbow [258]3 years ago
6 0

Answer:

<h2>x = -15 and y = -25 ⇒ (-15, -25)</h2>

Step-by-step explanation:

y=x-10\qquad(1)\\\\y=2x+5\qquad(2)\\\\\text{substitute (2) to (1):}\\\\2x+5=x-10\qquad\text{subtract 5 from both sides}\\\\2x=x-15\qquad\text{subtract x from both sides}\\\\x=-15\\\\\text{Put the value of x to (1):}\\\\y=-15-10\\\\y=-25

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What is Pythagoras theorem ?

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To learn more about Pythagoras theorem's click on the link

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