2 years ago

2x+5=10 Solve for x

2 answers:

8 0

<span>2x+5=10

Subtract 5 from both sides.
2x + 5 - 5 = 10 - 5
2x = 5

Divide both sides by 2.
2/2x = 5/2
x = 5/2

5/2 can be simplified to 2 1/2 or 2.5.</span>

IrinaK [193]2 years ago

3 0

Work: 2x+5=10
-5 both sides
2x=5
÷2 both sides
X=5/2
Answer: x=5/2
Check your work:
2 (5/2)+5=10
5+5=10
10=10

Answer is correct

Hope that helps you :)
Let me know if you need any more help :)

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Consider this system of equation. Which shows the second equation written in slope-intercept form?y = 3x - 210(x+3/5)=2yA) y=5x+

SashulF [63]

we have that

y = 3x - 2

10(x+3/5)=2y------> the second equation----->divide by 2 both sides

5(x+3/5)=y-----> y=5x+3

y=5x+3------> second equation written in slope-intercept form

case A) y=5x+3/10-----> is not equal to y=5x+3

case B) y=5x+3--->is equal to y=5x+3---------> is the answer

case C) y=1/5x+3/25-------> is not equal to y=5x+3

case D) y=1/2x+6-----> is not equal to y=5x+3

therefore

the answer is the option

B) y=5x+3

7 0

2 years ago

3.5 and 3 write a quadratic equation with each pair of values as roots

VLD [36.1K]

Hello from MrBillDoesMath!

Answer: x^2 - 6.5x + 10.5 = 0

Discussion:

If the roots are 3 and 3.5, then the quadratic equation is

(x -3 ) ( x - 3.5) = 0

x * (x - 3.5) - 3 (x - 3.5) = 0

X^2 - 3.5X - 3X + 3(3.5) = 0

x^2 - 6.5x + 10.5 = 0

Thank you,

MrB

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M=p=x
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x=sqrt(720)
sqrt mean root
m= sqrt(720)

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3 years ago