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2 years ago

X+4y=10 -x+5y=8 what is the solution set

Mathematics

2 answers:

Margarita [4]2 years ago

8 0

Answer:

x=2 y=2

(2,2)

Step-by-step explanation:

We can solve this system by elimination.

x+4y=10

-x+5y=8

---------------

9y = 18

Divide each side by 9

9y/9 = 18/9

y =2

Now we need to find x

x +4y =10

x +4(2) = 10

x +8 =10

Subtract 8 from each side

x+8-8 = 10-8

x=2

ziro4ka [17]2 years ago

4 0

$x + 4y = 10 \: \vee \: - x + 5y \\ \Leftrightarrow \: x = 2 \: \vee \: y = 2 \\ \Rightarrow \: (x,y) = (2,2)$

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Read 2 more answers

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Given:

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$(-8)^3\cdot (-8)^4$

The repeated multiplication form of this expression is

$=[(-8)\cdot (-8)\cdot (-8)]\cdot [(-8)\cdot (-8)\cdot (-8)\cdot (-8)]$

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