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Anestetic [448]
2 years ago
5

Solve for x, please

Mathematics
1 answer:
artcher [175]2 years ago
5 0

Answer:

x = 20

Step-by-step explanation:

4x + 20

60 + 20 = 80

80 ÷ 4 = 20

x = 20

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Hello pls help meeee<br> )
In-s [12.5K]

Answer:

(4, 1)

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  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality

<u>Algebra I</u>

  • Terms/Coefficients
  • Coordinates (x, y)
  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

<u>Step 1: Define Systems</u>

y = 2x - 7

y = -x + 5

<u>Step 2: Solve for </u><em><u>x</u></em>

<em>Substitution</em>

  1. Substitute in <em>y</em>:                                                                                                2x - 7 = -x + 5
  2. [Addition Property of Equality] Isolate <em>x</em> terms:                                            3x - 7 = 5
  3. [Addition Property of Equality] Isolate <em>x</em> term:                                              3x = 12
  4. [Division Property of Equality] Isolate <em>x</em>:                                                       x = 4

<u>Step 3: Solve for </u><em><u>y</u></em>

  1. Define original equation:                                                                               y = -x + 5
  2. Substitute in <em>x</em>:                                                                                                y = -4 + 5
  3. Add:                                                                                                                 y = 1
7 0
3 years ago
tamara find the sum of two number cubes rolled at the same time. The chart below shows all possible sums from the 36 possible co
Reil [10]

Answer:

the answer would be 20 :)

Step-by-step explanation:

6 0
3 years ago
Find the equation of the
kolbaska11 [484]

Answer:

y=-1/3 x +2/3

Step-by-step explanation:

all steps are in picture

4 0
3 years ago
Work out the value of 5x-2y when x=-2 and y=-3
max2010maxim [7]
I guess this how it would go
<span><span><span>(5)</span><span>(<span>−2</span>)</span></span>−<span><span>(2)</span><span>(<span>−3</span>)</span></span></span>

So your answer should be <span>−4</span>

3 0
3 years ago
Mrs. Valdez wanted to determine the number of people, p, she could safely take in her car to the fun run. She determined that p
dangina [55]

Answer:

She can take 2 people cause it’s less than 5

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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