Find the missing number so that the equation has infinitely many solutions x- 4 = -2(-x + 2)

Mathematics

1 answer:

Gnom [1K]3 years ago

5 0

Answer:

x-4=-2(-x+2)

x-4=2x-2

-4+2=2x-x

-2=x

x=-2

You might be interested in

Can you help me with 7 and 8

elena55 [62]

All I know or all I understood was both 7 and 8 aren’t functions. Hope this helped

4 0

3 years ago

Is it ASA , SSS, AAS, SAS!! Help

Sonja [21]

Answer:

490

Step-by-step explanation:

5 0

3 years ago

A boat travels 345km in 4 hours (with a constant speed). How far can it travel in three hours (with the same speed)?

Colt1911 [192]

Answer:

258.75km

Step-by-step explanation:

345/4=86.25

Can travel 86.25km an hour

86.25*3=258.75

Therefore it can travel 258.75 in 3 hours

7 0

4 years ago

Read 2 more answers

Type the Word

dsp73

Sorry from seventh standard so don’t know

7 0

3 years ago

Find a formula for cos(tan−1(2x)) in terms of x

aleksklad [387]

$~\cos\left( \tan^{-1} 2x\right)\\\\\\=\cos \left[\cos^{-1} \dfrac{1}{\sqrt{(2x)^2+1^2}} \right]~~~~~~~~~~~~~~~~~~~~~~~~~~;[\text{Pythagorean theorem}]\\\\\\=\cos \left( \cos^{-1} \dfrac{1}{\sqrt{4x^2 +1}} \right)\\\\\\=\dfrac{1}{\sqrt{4x^2 +1}}$

4 0

2 years ago