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3 years ago

30+30-2 hi brainly people and I

Mathematics

2 answers:

GrogVix [38]3 years ago

5 0

Answer:

Step-by-step explanation:

Order of operations.

Additions and subtractions, in the order they appear, from left to right.

30 + 30 - 2 =

= 60 - 2

= 58

Anna [14]3 years ago

5 0

Answer:

30+30-2=58

Step-by-step explanation:

I hope this helped you.

Please mark Brainliest.

Have a great day!!!!!!!!!!!!!

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Sedbober [7]

Answer:

$x=\frac{275}{62}$ , $y=\frac{127}{31}$

Step-by-step explanation:

<h3>I will use the elimination method.</h3>

We want to make the X's the same:

$24x-15y=45$

$24x+16y=172$

Because the signs of the X's are the same we subtract the 2 equations to make:

(I put the second one on top of the 1st)

$31y=127$

So:

$y=\frac{127}{31}$

Substitute y into either equation 1 or 2:

(I chose equation 1)

$8x-5(\frac{127}{31})=15$

$8x=5(\frac{127}{31}) + 15$

$x=\frac{5(\frac{127}{31})}{8}$

So:

$x=\frac{275}{62}$

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2 years ago

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2 years ago

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Answer:

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