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3 years ago

10

Simplify the algebraic expression: 4(3x + y) – 2(x – 5y)

1 answer:

VladimirAG [237]3 years ago

3 0

Answer:

C

Step-by-step explanation:

First use distribution

4(3x+y)= 12x+4y

and

-2(x-5y)= -2x+10y

combine the 2 answers

10x+14y

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X + y = 4<br> y = -x + 4

rjkz [21]

Answer:

Infinite Solutions

Step-by-step explanation:

x + y = 4

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0 = 0

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Read 2 more answers

marla has 4.55 in dimes and quarters. if she ha s7 more quarters than dimes, how many quarters doe she have?

Jlenok [28]

Answer:

number of dimes is 8

number of quarters is 15

Step-by-step explanation:

let 'd' = number of dimes

let 'd+7' = number of quarters

.10d + .25(d + 7) = 4.55

.10d + .25d + 1.75 = 4.55

.35d = 2.80

d = 8

q = 7 + 8

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3 years ago