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3 years ago

(PLEASE HELP!!)

Mathematics

2 answers:

AlexFokin [52]3 years ago

5 0

Answer:

X= 8

Y= 130

(8, 130)

Step-by-step explanation:

I used a graphing calculator to see where the two equations intersected.

Hope this helped :)

worty [1.4K]3 years ago

4 0

Answer:

(8,130)

Step-by-step explanation:

y=10x+50

y=5x+90

They are both equal to each to y, so they are equal to each other.

10x+50=5x+90

Now, you want to get the variable on one side, so you subtract 50 from both sides, then 5x from both sides;leaving you with:

5x=40

Divide by 5 on both sides

x=8

Now, that you have x, plug it into any equation of y. For example...

y=10(8)+50

y=80+50

y=130

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