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Snowcat [4.5K]
2 years ago
13

5(x-3)+2x+21=3(x+4)+2x

Mathematics
1 answer:
nekit [7.7K]2 years ago
3 0

Answer:

x = 3

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

5(x−3)+2x+21=3(x+4)+2x

(5)(x)+(5)(−3)+2x+21=(3)(x)+(3)(4)+2x(Distribute)

5x+−15+2x+21=3x+12+2x

(5x+2x)+(−15+21)=(3x+2x)+(12)(Combine Like Terms)

7x+6=5x+12

7x+6=5x+12

Step 2: Subtract 5x from both sides.

7x+6−5x=5x+12−5x

2x+6=12

Step 3: Subtract 6 from both sides.

2x+6−6=12−6

2x=6

Step 4: Divide both sides by 2.

Hope this helps!

=)

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(**15 POINTS**)
bonufazy [111]

Answer:

0.6x = 87

Step-by-step explanation:

Hi, to answer this question we have to write en equation:

We have to multiply the variable x by the percentage given (60%) in decimal form (divided by 100). That expression must be equal to 87.

Mathematically speaking:

x (60/100) = 87

0.6x = 87

Feel free to ask for more if needed or if you did not understand something.

8 0
3 years ago
How many times will22 go into 988?
iren2701 [21]
22 gose into 988 8 times 
3 0
2 years ago
A scale drawing for a plot of land is shown below.
Vitek1552 [10]

The area of real backyard is 72 square meters.

Step-by-step explanation:

Given,

Length of rectangular backyard = 8 cm

Width of rectangular backyard = 4 cm

According to scale;

2 cm = 3 m

1 cm = \frac{3}{2} = 1.5\ m

Real length of backyard = 8*1.5 = 12 m

Real width of backyard = 4*1.5 = 6 m

Real area of backyard = Length * Width

Real area of backyard = 12*6 = 72m²

The area of real backyard is 72 square meters.

Keywords: area, unit rate

Learn more about areas at:

  • brainly.com/question/12941985
  • brainly.com/question/12943520

#LearnwithBrainly

6 0
3 years ago
100 POINTS !!!! Let f(x)=√3x and g(x)=x-6 What's the smallest number that is in the domain of fog?
Gennadij [26K]

Answer:

6

Step-by-step explanation:

fog(x) = √3(x-6)

Domain => 3(x-6) ≥ 0

<=> x-6≥ 0

=> x ≥ 6

so, the smallest number is 6

7 0
3 years ago
PLEASE HELP ILL GIVE BRAINLIEST
SpyIntel [72]

Answer:

HA

Step-by-step explanation:

The hypotenuse-angle theorem proves congruency by comparing the respective hypotenuse and an adjacent angle between two triangles. Since the given values here are the hypotenuse (longest side) and an adjacent angle, the HA theorem can be used to prove congruency between the two triangles.

Hope this helped!

6 0
3 years ago
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