2 years ago

Solve for the variable x.

Mathematics

1 answer:

inna [77]2 years ago

3 0

Answer:

Step-by-step explanation:

Equating the terms :

x + 3 = 2x - 2

Add 2 on both sides :

x + 3 + 2 = 2x - 2 + 2
x + 5 = 2x

Subtract x from both sides :

x + 5 - x = 2x - x
<u>x = 5</u>

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If 2x3 – 4x2 + kx + 10 is divided by (x + 2), the remainder is 4. Find the value of k using remainder theorem. Please help :)

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FREE POINTS

Nonamiya [84]

2 please pick me!!!!

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4 years ago

Read 2 more answers

Can someone solve the system of equations?

kogti [31]

Y=x^2-5

y=2x-5
y+5=2x
x=(y+5)/2

y=((y+5)/2)^2-5
y=(y^2+10y+25)/4-5
4y=y^2+10y+25-20
0=y^2+6y+5
0=(y+5)(y+1)
y= -5 or -1

y=2x-5 (y= -5 doesn't work for this one so use -1)
-1=2x-5
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x=2

Using these answers, you can choose answer D with reasonable certainty.

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