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Sphinxa [80]
3 years ago
15

Solve 2x+7=x-3 Please can u show your working out

Mathematics
2 answers:
Korolek [52]3 years ago
7 0
X= -10
You may review the image Ive attached to see how I got this answer.

Alexxandr [17]3 years ago
7 0
Subtract 7 from both sides.
1. 2x + 7 - 7 = x - 3 - 7
now the equation reads like this 
 2x = -10 + x
subtract x from both sides 
2. 2x - x = -10 + x - x
now the equation reads like this
x = -10
then you have your answer
3. x = (-10)
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Art [367]

Answer D.

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3 0
3 years ago
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kotegsom [21]

Answer:

(2x + y)(2x - y)

Step-by-step explanation:

1. Simplify the square 4x²:

(2x)² - y²

2. Apple the difference of two squares formula <em>x² - y² = (x + y)(x - y)</em>:

(2x + y)(2x - y)

hope this helps!

8 0
2 years ago
A clothing store is having a sale on T-shirts. The first T-shirt you buy costs $7, and every additional shirt costs
asambeis [7]

Answer:

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Step-by-step explanation:

This is an arithmetic sequence, because it is a sequence of numbers in which the common difference between consecutive terms is 5

4 0
3 years ago
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horrorfan [7]

Answer:

-4

Step-by-step explanation:

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5 0
2 years ago
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100 points!!!
forsale [732]

Answer:

b

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             = 4x² - 24x + 36

7 0
2 years ago
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