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forsale [732]
2 years ago
12

After the math contest, Badil noticed that there where four extra large pizzas that where left untouched. In addiction, another

3 slices of pizza where uneaten. If there where a total of 51 slices of pizza left, how many slices does an extra large pizza have?
Mathematics
1 answer:
Sphinxa [80]2 years ago
4 0
51-3=48 slice.
48 slice/ 4 pizza= 12 slice
each extra large pizza have 12 slice.
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Can somebody please help me with this problem please
Furkat [3]

Answer:

m = 3, n = 4

Step-by-step explanation:

Solve using the substitution process. First, start with the second equation:

2m + 2n = 14

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(2m + 2n)/2 = (14)/2

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Isolate the variable m. Subtract n from both sides:

m + n (-n) = 7 (-n)

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Plug in 7 - n for m in the first equation:

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-35 + (5n + 9n) = 21

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Isolate the variable, n. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS. First, add 35 to both sides:

14n - 35 (+35) = 21 (+35)

14n = 21 + 35

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Isolate the variable n. Divide 14 from both sides:

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Plug in 4 to n in one of the equations, and solve for m.

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Isolate the variable, m. Do the opposite of PEMDAS. First, subtract 8 from both sides:

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2m = 14 - 8

2m = 6

Divide 2 from both sides:

(2m)/2 = (6)/2

m = 6/2

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Your answers: m = 3, n = 4

~

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