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Andreas93 [3]
4 years ago
12

Solve this using Substitution. {y=x+1 {2x+y=7

Mathematics
1 answer:
Elina [12.6K]4 years ago
7 0
Y = x + 1....so we sub in x + 1 for y in the other equation

2x + y = 7
2x + x + 1 = 7 ....combine like terms
3x + 1 = 7....subtract 1 from both sides
3x = 7 - 1
3x = 6 ....divide both sides by 3
x = 6/3
x = 2

y = x + 1
y = 2 + 1
y = 3

so ur solution is : (2,3)
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Elenna [48]
It would be: 4 / 2/5

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4 years ago
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-2.3(4.5-3 1/2)<br> What is the answer
LUCKY_DIMON [66]

The computation shows that the value of the expression is 2.3.

<h3>How to illustrate the information?</h3>

It should be noted that the information given is illustrated as:

2.3(4.5-3 1/2)

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2.3(4.5-3 1/2)

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7 0
1 year ago
Find a 101 of the sequence 5, 8, 11, ....<br><br> A. 302<br> B. 311<br> C. 305<br> D. 308
Dimas [21]

Answer:

305

Step-by-step explanation:

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The formula for an arithmetic sequence is

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We want the 101 term

a101 = 5 +3(101-1)

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5 0
3 years ago
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