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3 years ago

In the equation 4+m =11 the first step to solving for m would be

Mathematics

2 answers:

Taya2010 [7]3 years ago

6 0

Answer:

firstly take 4 to other side

m=11-4=7

crimeas [40]3 years ago

3 0

Answer:

Subtracting 4 from each side.

Step-by-step explanation:

You would have to use the properties of equality to isolate the variable on each side.

In this situation, subtracting four from both sides (using the subtraction property of equality) would allow m to be on only one side.

$4+(-4)m=11-4$

$m=7$

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Faye pays her family phone bill, and Jonathan’s family phone bill with her card and jonathan pays her back. If Faye bill is $120

nika2105 [10]

Answer:

Jonathan has to pay Faye back US$ 240

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Step-by-step explanation:

1. Let's find out the amount of the phone bills, this way:

Total of the two bills = US$ 600

Faye's bill = US$ 120 more than Jonathan's

Jonathan's bill = x

Solving for x, we can use this equation:

x + x + 120 = 600

2x + 120 = 600

2x = 600 - 120

2x = 480

x = 480/2 = 240

Jonathan has to pay Faye back US$ 240

2. Let's find out the number of people on each bill, this way:

Faye has two people more on her bill than Jonathan

Number of people on Jonathan's bill = x

Number of people on Faye's bill = x + 2

We will use the following equation:

240 * (x + 2) = 360x

240x + 480 = 360x

240x - 360x = -480

-120x = - 480

x = -480/-120

x = 4 ⇒ x + 2 = 6

Jonathan has 4 people on his bill and Faye has 6.

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Step-by-step explanation:

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