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Gnom [1K]
3 years ago
14

What is the solution to this system of equations? a+b=9 a-b=3

Mathematics
1 answer:
ladessa [460]3 years ago
8 0

Answer:

A. (6,3)

Step-by-step explanation:

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Okay.. well did you try to do it on your own at least ? I help you, but what do you know already so we can go on from there. 
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What is the circumference of a circle if the radius is 50 ?
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What two numbers have a sum of 215 and a difference of 137
BabaBlast [244]

Answer:

see below

Step-by-step explanation:

let x = big number

let you = small number

x + y = 215-------> (1)

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(1)

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substitute 1 into 2

215 - y -y = 137

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x = 215 - (39)

x = 176

thus the numbers are 176 & 39

hope this helps

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3 0
3 years ago
You are charged 6.5% tax on a 42% purchase. Find the amount of tax
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