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solmaris [256]
3 years ago
6

3x + 5 = 20 - 2x I need sum help

Mathematics
2 answers:
jolli1 [7]3 years ago
5 0
X=3

Hope this helps!! <3
konstantin123 [22]3 years ago
3 0

Answer:

18x

Step-by-step explanation:

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Ed is 7 years older than Ted. Ed's age is also 3/2 times Ted's age. How old areTed and Ed.
Scrat [10]
14, 28 I think:) sorry if not
7 0
3 years ago
What is the solution to the equation x - 5 = 15?
Nonamiya [84]

Answer:

x=20

Step-by-step explanation:

x - 5 = 15

x +5 = +5

x = 20

4 0
2 years ago
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What is the 9th multiple of 15
MArishka [77]
135 because 
15x1=15 15x7=105
15x2=30 15x8=120
15x3=45 15x9=135
15x4=60 15x10=150
15x5=75 15x11=165
15x6=90 15x12=190

5 0
3 years ago
If a circle has a diameter of 30 meters, which expression gives its area in
sattari [20]

Answer:

C. 15²π

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Geometry</u>

  • Diameter: d = 2r
  • Area of a Circle: A = πr²

Step-by-step explanation:

<u>Step 1: Define</u>

d = 30 m

<u>Step 2: Find Area</u>

  1. Substitute [D]:                    30 m = 2r
  2. Isolate <em>r</em>:                             15 m = r
  3. Rewrite:                              r = 15 m
  4. Substitute [AC]:                 A = π(15 m)²
  5. Rearrange:                        A = 15²π
3 0
3 years ago
Solve <br> 5x+3y=32<br> 2x+4y=10
liberstina [14]

i send u a picture of how i solve it. i hope this can help u

3 0
2 years ago
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