-X + 3= -2What ís the solution to this equation?

Mathematics

2 answers:

Rzqust [24]3 years ago

8 0

-x+3=-2
-x=-5
x=5
the solution is 5

navik [9.2K]3 years ago

3 0

Answer:

-x = -2 - 3

Step-by-step explanation:

-x = -2 - 3

-x = -5 then make it positive

x = 5

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Sindrei [870]

Answer:

$x=16\dfrac{28}{37}\\ \\y=5\dfrac{1}{3}\\ \\z=7.5$

Step-by-step explanation:

The diagram shows three paralel lines which divide the large triangle into three similar triangles.

By Thales theorem,

$\dfrac{5}{z}=\dfrac{y}{8}=\dfrac{2}{3}$

Then

$\dfrac{5}{z}=\dfrac{2}{3}\Rightarrow 2z=15,\ z=7.5\\ \\\dfrac{y}{8}=\dfrac{2}{3}\Rightarrow 3y=16,\ y=\dfrac{16}{3}=5\dfrac{1}{3}$

From the similarity of triangles,

$\dfrac{x}{20}=\dfrac{z+8}{z+8+3}\\ \\\dfrac{x}{20}=\dfrac{7.5+8}{7.5+8+3}\\ \\\dfrac{x}{20}=\dfrac{15.5}{18.5}\\ \\x=20\cdot \dfrac{155}{185}=20\cdot \dfrac{31}{37}=\dfrac{620}{37}=16\dfrac{28}{37}$

6 0

3 years ago

Plan 1:<br> Plan 2:<br> Please help!!!!!!

djyliett [7]

Answer:

plan 1: y=3x+50

plan 2: y=10x

Step-by-step explanation:

for plan 1, since she would have to pay $3 per visit and x is the visits per month, than you would calculate the total cost per visits by 3x. and since there is a starting fee of $50, the total goes up from 50 and never below, therefore 50 is the y-intercept

plan 2, its the same thing as plan 1 but instead of $3 per visit it is $10 and there is no starting fee, so no y-intercept

7 0

2 years ago

Read 2 more answers

4% of 73 is what ?????

kumpel [21]

4% of 73 will be 2.92.
<span>This is because 4/100 X 73 = 2.92 </span>

7 0

3 years ago

Kylie explained that (–4x + 9)2 will result in a difference of squares because (–4x + 9)2 = (–4x)2 + (9)2 = 16x2 + 81. Which sta

saw5 [17]

The answer is correct because it would have to go like this;

(-4x + 9)² = (-4x + 9)(-4x + 9)

hope this helps, God bless!